347923408 has 20 divisors (see below), whose sum is σ = 770402080. Its totient is φ = 149109984.

The previous prime is 347923403. The next prime is 347923409. The reversal of 347923408 is 804329743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347923403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553118 + ... + 1553341.

It is an arithmetic number, because the mean of its divisors is an integer number (38520104).

Almost surely, 2^347923408 is an apocalyptic number.

It is an amenable number.

347923408 is an abundant number, since it is smaller than the sum of its proper divisors (422478672).

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

347923408 is a wasteful number, since it uses less digits than its factorization.

347923408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106474 (or 3106468 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 347923408 is about 18652.7051121278. The cubic root of 347923408 is about 703.3333586897. Note that the first 4 decimals are identical.

The spelling of 347923408 in words is "three hundred forty-seven million, nine hundred twenty-three thousand, four hundred eight".