336985445 has 4 divisors (see below), whose sum is σ = 404382540. Its totient is φ = 269588352.

The previous prime is 336985393. The next prime is 336985477. The reversal of 336985445 is 544589633.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544589633 = 7 ⋅77798519.

It can be written as a sum of positive squares in 2 ways, for example, as 246678436 + 90307009 = 15706^2 + 9503^2 .

It is a cyclic number.

It is not a de Polignac number, because 336985445 - 2¹⁶ = 336919909 is a prime.

It is a super-2 number, since 2×336985445² = 227118380283696050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 336985445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33698540 + ... + 33698549.

It is an arithmetic number, because the mean of its divisors is an integer number (101095635).

Almost surely, 2^336985445 is an apocalyptic number.

It is an amenable number.

336985445 is a deficient number, since it is larger than the sum of its proper divisors (67397095).

336985445 is an equidigital number, since it uses as much as digits as its factorization.

336985445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67397094.

The product of its digits is 1555200, while the sum is 47.

The square root of 336985445 is about 18357.1633157196. The cubic root of 336985445 is about 695.8843150363.

The spelling of 336985445 in words is "three hundred thirty-six million, nine hundred eighty-five thousand, four hundred forty-five".