393485064 has 32 divisors (see below), whose sum is σ = 1124243520. Its totient is φ = 112424256.

The previous prime is 393485063. The next prime is 393485089. The reversal of 393485064 is 460584393.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (393485063) 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, 1170919 + ... + 1171254.

It is an arithmetic number, because the mean of its divisors is an integer number (35132610).

Almost surely, 2^393485064 is an apocalyptic number.

It is an amenable number.

393485064 is an abundant number, since it is smaller than the sum of its proper divisors (730758456).

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

393485064 is a wasteful number, since it uses less digits than its factorization.

393485064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342189 (or 2342185 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 393485064 is about 19836.4579499466. The cubic root of 393485064 is about 732.7841785849.

The spelling of 393485064 in words is "three hundred ninety-three million, four hundred eighty-five thousand, sixty-four".