393484902 has 8 divisors (see below), whose sum is σ = 786969816. Its totient is φ = 131161632.

The previous prime is 393484849. The next prime is 393484909. The reversal of 393484902 is 209484393.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

393484902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393484909) 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, 32790403 + ... + 32790414.

It is an arithmetic number, because the mean of its divisors is an integer number (98371227).

Almost surely, 2^393484902 is an apocalyptic number.

393484902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

393484902 is a wasteful number, since it uses less digits than its factorization.

393484902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65580822.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 393484902 is about 19836.4538665559. The cubic root of 393484902 is about 732.7840780211.

The spelling of 393484902 in words is "three hundred ninety-three million, four hundred eighty-four thousand, nine hundred two".