390370032 has 120 divisors (see below), whose sum is σ = 1185181088. Its totient is φ = 119232000.

The previous prime is 390370027. The next prime is 390370033. The reversal of 390370032 is 230073093.

It is a junction number, because it is equal to n+sod(n) for n = 390369978 and 390370005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390370033) 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 23 ways as a sum of consecutive naturals, for example, 281982 + ... + 283362.

Almost surely, 2^390370032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390370032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592590544).

390370032 is an abundant number, since it is smaller than the sum of its proper divisors (794811056).

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

390370032 is a wasteful number, since it uses less digits than its factorization.

390370032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 390370032 is about 19757.7840862785. The cubic root of 390370032 is about 730.8453533328.

The spelling of 390370032 in words is "three hundred ninety million, three hundred seventy thousand, thirty-two".