336403861 has 4 divisors (see below), whose sum is σ = 336530572. Its totient is φ = 336277152.

The previous prime is 336403853. The next prime is 336403877. The reversal of 336403861 is 168304633.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 168304633 = 7 ⋅24043519.

It can be written as a sum of positive squares in 2 ways, for example, as 224700100 + 111703761 = 14990^2 + 10569^2 .

It is a cyclic number.

It is not a de Polignac number, because 336403861 - 2³ = 336403853 is a prime.

It is a super-2 number, since 2×336403861² = 226335115391414642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336403961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59286 + ... + 64711.

It is an arithmetic number, because the mean of its divisors is an integer number (84132643).

Almost surely, 2^336403861 is an apocalyptic number.

It is an amenable number.

336403861 is a deficient number, since it is larger than the sum of its proper divisors (126711).

336403861 is a wasteful number, since it uses less digits than its factorization.

336403861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126710.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 336403861 is about 18341.3156834508. The cubic root of 336403861 is about 695.4837554691.

The spelling of 336403861 in words is "three hundred thirty-six million, four hundred three thousand, eight hundred sixty-one".