349964490 has 16 divisors (see below), whose sum is σ = 839914848. Its totient is φ = 93323856.

The previous prime is 349964473. The next prime is 349964509. The reversal of 349964490 is 94469943.

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, 5832712 + ... + 5832771.

It is an arithmetic number, because the mean of its divisors is an integer number (52494678).

Almost surely, 2^349964490 is an apocalyptic number.

349964490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

349964490 is an abundant number, since it is smaller than the sum of its proper divisors (489950358).

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

349964490 is a wasteful number, since it uses less digits than its factorization.

349964490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665493.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 349964490 is about 18707.3378651266. The cubic root of 349964490 is about 704.7060391073.

The spelling of 349964490 in words is "three hundred forty-nine million, nine hundred sixty-four thousand, four hundred ninety".