349615204 has 9 divisors (see below), whose sum is σ = 611892057. Its totient is φ = 174788904.

The previous prime is 349615171. The next prime is 349615207. The reversal of 349615204 is 402516943.

It is a happy number.

The square root of 349615204 is 18698.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 302829604 + 46785600 = 17402^2 + 6840^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349615204.

It is not an unprimeable number, because it can be changed into a prime (349615207) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32722 + ... + 42070.

Almost surely, 2^349615204 is an apocalyptic number.

349615204 is the 18698-th square number.

It is an amenable number.

349615204 is a deficient number, since it is larger than the sum of its proper divisors (262276853).

349615204 is an frugal number, since it uses more digits than its factorization.

349615204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18702 (or 9351 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The cubic root of 349615204 is about 704.4715144674.

The spelling of 349615204 in words is "three hundred forty-nine million, six hundred fifteen thousand, two hundred four".