349429632 has 32 divisors (see below), whose sum is σ = 928173480. Its totient is φ = 116476416.

The previous prime is 349429609. The next prime is 349429637. The reversal of 349429632 is 236924943.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349429637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454603 + ... + 455370.

Almost surely, 2^349429632 is an apocalyptic number.

349429632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

349429632 is an abundant number, since it is smaller than the sum of its proper divisors (578743848).

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

349429632 is an equidigital number, since it uses as much as digits as its factorization.

349429632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909990 (or 909978 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 349429632 is about 18693.0369924205. The cubic root of 349429632 is about 704.3468504337.

The spelling of 349429632 in words is "three hundred forty-nine million, four hundred twenty-nine thousand, six hundred thirty-two".