335978685 has 80 divisors (see below), whose sum is σ = 707135616. Its totient is φ = 149392512.

The previous prime is 335978677. The next prime is 335978761. The reversal of 335978685 is 586879533.

It is a happy number.

It is not a de Polignac number, because 335978685 - 2³ = 335978677 is a prime.

It is a super-2 number, since 2×335978685² = 225763353548658450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 103294 + ... + 106496.

Almost surely, 2^335978685 is an apocalyptic number.

335978685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

335978685 is an abundant number, since it is smaller than the sum of its proper divisors (371156931).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

335978685 is a wasteful number, since it uses less digits than its factorization.

335978685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3255 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 335978685 is about 18329.7213563109. The cubic root of 335978685 is about 695.1906279704.

The spelling of 335978685 in words is "three hundred thirty-five million, nine hundred seventy-eight thousand, six hundred eighty-five".