349504752 has 40 divisors (see below), whose sum is σ = 934025040. Its totient is φ = 112483840.

The previous prime is 349504741. The next prime is 349504777. The reversal of 349504752 is 257405943.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 349504752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124149 + ... + 126932.

It is an arithmetic number, because the mean of its divisors is an integer number (23350626).

Almost surely, 2^349504752 is an apocalyptic number.

It is an amenable number.

349504752 is an abundant number, since it is smaller than the sum of its proper divisors (584520288).

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

349504752 is a wasteful number, since it uses less digits than its factorization.

349504752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251121 (or 251115 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 349504752 is about 18695.0461887635. The cubic root of 349504752 is about 704.3973200557.

The spelling of 349504752 in words is "three hundred forty-nine million, five hundred four thousand, seven hundred fifty-two".