349622920 has 64 divisors (see below), whose sum is σ = 800150400. Its totient is φ = 137472000.

The previous prime is 349622893. The next prime is 349622941. The reversal of 349622920 is 29226943.

It is a self number, because there is not a number n which added to its sum of digits gives 349622920.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973701 + ... + 974059.

It is an arithmetic number, because the mean of its divisors is an integer number (12502350).

Almost surely, 2^349622920 is an apocalyptic number.

It is an amenable number.

349622920 is an abundant number, since it is smaller than the sum of its proper divisors (450527480).

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

349622920 is a wasteful number, since it uses less digits than its factorization.

349622920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 349622920 is about 18698.2063310896. The cubic root of 349622920 is about 704.4766969863.

The spelling of 349622920 in words is "three hundred forty-nine million, six hundred twenty-two thousand, nine hundred twenty".