349357864 has 32 divisors (see below), whose sum is σ = 692344800. Its totient is φ = 164808000.

The previous prime is 349357861. The next prime is 349357903. The reversal of 349357864 is 468753943.

It is not an unprimeable number, because it can be changed into a prime (349357861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33574 + ... + 42730.

It is an arithmetic number, because the mean of its divisors is an integer number (21635775).

Almost surely, 2^349357864 is an apocalyptic number.

It is an amenable number.

349357864 is a deficient number, since it is larger than the sum of its proper divisors (342986936).

349357864 is a wasteful number, since it uses less digits than its factorization.

349357864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433 (or 9429 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The square root of 349357864 is about 18691.1172485756. The cubic root of 349357864 is about 704.2986261073.

The spelling of 349357864 in words is "three hundred forty-nine million, three hundred fifty-seven thousand, eight hundred sixty-four".