349857936 has 60 divisors (see below), whose sum is σ = 995192380. Its totient is φ = 114704640.

The previous prime is 349857923. The next prime is 349857953. The reversal of 349857936 is 639758943.

349857936 is a `hidden beast` number, since 34 + 9 + 8 + 579 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 162715536 + 187142400 = 12756^2 + 13680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11131 + ... + 28698.

Almost surely, 2^349857936 is an apocalyptic number.

349857936 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

349857936 is an abundant number, since it is smaller than the sum of its proper divisors (645334444).

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

349857936 is a wasteful number, since it uses less digits than its factorization.

349857936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39904 (or 39895 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 349857936 is about 18704.4897284048. The cubic root of 349857936 is about 704.6345110222.

The spelling of 349857936 in words is "three hundred forty-nine million, eight hundred fifty-seven thousand, nine hundred thirty-six".