349878336 has 56 divisors (see below), whose sum is σ = 927104064. Its totient is φ = 116451840.

The previous prime is 349878317. The next prime is 349878367. The reversal of 349878336 is 633878943.

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, 225981 + ... + 227523.

Almost surely, 2^349878336 is an apocalyptic number.

It is an amenable number.

349878336 is an abundant number, since it is smaller than the sum of its proper divisors (577225728).

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

349878336 is a wasteful number, since it uses less digits than its factorization.

349878336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739 (or 2729 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The square root of 349878336 is about 18705.0350440730. The cubic root of 349878336 is about 704.6482063570.

The spelling of 349878336 in words is "three hundred forty-nine million, eight hundred seventy-eight thousand, three hundred thirty-six".