349311490 has 16 divisors (see below), whose sum is σ = 685920960. Its totient is φ = 127022320.

The previous prime is 349311463. The next prime is 349311509. The reversal of 349311490 is 94113943.

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, 1587670 + ... + 1587889.

It is an arithmetic number, because the mean of its divisors is an integer number (42870060).

Almost surely, 2^349311490 is an apocalyptic number.

349311490 is a deficient number, since it is larger than the sum of its proper divisors (336609470).

349311490 is a wasteful number, since it uses less digits than its factorization.

349311490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175577.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 349311490 is about 18689.8766716102. The cubic root of 349311490 is about 704.2674617024.

The spelling of 349311490 in words is "three hundred forty-nine million, three hundred eleven thousand, four hundred ninety".