349813490 has 32 divisors (see below), whose sum is σ = 679311360. Its totient is φ = 128931264.

The previous prime is 349813487. The next prime is 349813523. The reversal of 349813490 is 94318943.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82031 + ... + 86189.

It is an arithmetic number, because the mean of its divisors is an integer number (21228480).

Almost surely, 2^349813490 is an apocalyptic number.

349813490 is a deficient number, since it is larger than the sum of its proper divisors (329497870).

349813490 is a wasteful number, since it uses less digits than its factorization.

349813490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 349813490 is about 18703.3015802024. The cubic root of 349813490 is about 704.6046708037.

The spelling of 349813490 in words is "three hundred forty-nine million, eight hundred thirteen thousand, four hundred ninety".