347639396 has 24 divisors (see below), whose sum is σ = 656518464. Its totient is φ = 160117920.

The previous prime is 347639393. The next prime is 347639407. The reversal of 347639396 is 693936743.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (347639393) 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, 19511 + ... + 32801.

It is an arithmetic number, because the mean of its divisors is an integer number (27354936).

Almost surely, 2^347639396 is an apocalyptic number.

It is an amenable number.

347639396 is a deficient number, since it is larger than the sum of its proper divisors (308879068).

347639396 is a wasteful number, since it uses less digits than its factorization.

347639396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13811 (or 13809 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 50.

The square root of 347639396 is about 18645.0903993518. The cubic root of 347639396 is about 703.1419281547.

The spelling of 347639396 in words is "three hundred forty-seven million, six hundred thirty-nine thousand, three hundred ninety-six".