390052470 has 16 divisors (see below), whose sum is σ = 936126000. Its totient is φ = 104013984.

The previous prime is 390052457. The next prime is 390052517. The reversal of 390052470 is 74250093.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 13001749 = 390052470 / (3 + 9 + 0 + 0 + 5 + 2 + 4 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6500845 + ... + 6500904.

It is an arithmetic number, because the mean of its divisors is an integer number (58507875).

Almost surely, 2^390052470 is an apocalyptic number.

390052470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

390052470 is an abundant number, since it is smaller than the sum of its proper divisors (546073530).

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

390052470 is a wasteful number, since it uses less digits than its factorization.

390052470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13001759.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 390052470 is about 19749.7460743170. The cubic root of 390052470 is about 730.6471211809.

The spelling of 390052470 in words is "three hundred ninety million, fifty-two thousand, four hundred seventy".