349325664 has 24 divisors (see below), whose sum is σ = 916980120. Its totient is φ = 116441856.

The previous prime is 349325663. The next prime is 349325671. The reversal of 349325664 is 466523943.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349325663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819309 + ... + 1819500.

It is an arithmetic number, because the mean of its divisors is an integer number (38207505).

Almost surely, 2^349325664 is an apocalyptic number.

It is an amenable number.

349325664 is an abundant number, since it is smaller than the sum of its proper divisors (567654456).

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

349325664 is a wasteful number, since it uses less digits than its factorization.

349325664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638822 (or 3638814 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The square root of 349325664 is about 18690.2558569967. The cubic root of 349325664 is about 704.2769872522.

The spelling of 349325664 in words is "three hundred forty-nine million, three hundred twenty-five thousand, six hundred sixty-four".