390572460 has 72 divisors (see below), whose sum is σ = 1188716256. Its totient is φ = 103802880.

The previous prime is 390572449. The next prime is 390572473. The reversal of 390572460 is 64275093.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52492 + ... + 59468.

It is an arithmetic number, because the mean of its divisors is an integer number (16509948).

Almost surely, 2^390572460 is an apocalyptic number.

390572460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390572460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594358128).

390572460 is an abundant number, since it is smaller than the sum of its proper divisors (798143796).

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

390572460 is a wasteful number, since it uses less digits than its factorization.

390572460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303 (or 7298 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 390572460 is about 19762.9061628092. The cubic root of 390572460 is about 730.9716591334.

The spelling of 390572460 in words is "three hundred ninety million, five hundred seventy-two thousand, four hundred sixty".