349039976 has 32 divisors (see below), whose sum is σ = 667569600. Its totient is φ = 171050880.

The previous prime is 349039931. The next prime is 349039979. The reversal of 349039976 is 679930943.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (349039979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99956 + ... + 103388.

It is an arithmetic number, because the mean of its divisors is an integer number (20861550).

Almost surely, 2^349039976 is an apocalyptic number.

It is an amenable number.

349039976 is a deficient number, since it is larger than the sum of its proper divisors (318529624).

349039976 is a wasteful number, since it uses less digits than its factorization.

349039976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 349039976 is about 18682.6115947423. The cubic root of 349039976 is about 704.0849426174.

The spelling of 349039976 in words is "three hundred forty-nine million, thirty-nine thousand, nine hundred seventy-six".