336392281 has 3 divisors (see below), whose sum is σ = 336410623. Its totient is φ = 336373940.

The previous prime is 336392279. The next prime is 336392291. The reversal of 336392281 is 182293633.

The square root of 336392281 is 18341.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 182293633 = 607 ⋅300319.

It can be written as a sum of positive squares in only one way, i.e., 34327881 + 302064400 = 5859^2 + 17380^2 .

It is not a de Polignac number, because 336392281 - 2¹ = 336392279 is a prime.

It is a super-2 number, since 2×336392281² = 226319533432765922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 336392281.

It is not an unprimeable number, because it can be changed into a prime (336392201) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9171 + ... + 27511.

Almost surely, 2^336392281 is an apocalyptic number.

336392281 is the 18341-st square number.

336392281 is the 9171-st centered octagonal number.

It is an amenable number.

336392281 is a deficient number, since it is larger than the sum of its proper divisors (18342).

336392281 is an frugal number, since it uses more digits than its factorization.

336392281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36682 (or 18341 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The cubic root of 336392281 is about 695.4757751859.

Multiplying 336392281 by its product of digits (46656), we get a square (15694718262336 = 3961656²).

The spelling of 336392281 in words is "three hundred thirty-six million, three hundred ninety-two thousand, two hundred eighty-one".