390654131 has 8 divisors (see below), whose sum is σ = 452113920. Its totient is φ = 330607368.

The previous prime is 390654127. The next prime is 390654133. The reversal of 390654131 is 131456093.

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

It is not a de Polignac number, because 390654131 - 2² = 390654127 is a prime.

It is a super-2 number, since 2×390654131² = 305221300134730322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390654133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352661 + ... + 353766.

It is an arithmetic number, because the mean of its divisors is an integer number (56514240).

Almost surely, 2^390654131 is an apocalyptic number.

390654131 is a deficient number, since it is larger than the sum of its proper divisors (61459789).

390654131 is an equidigital number, since it uses as much as digits as its factorization.

390654131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706513.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 390654131 is about 19764.9723247972. The cubic root of 390654131 is about 731.0226057411.

The spelling of 390654131 in words is "three hundred ninety million, six hundred fifty-four thousand, one hundred thirty-one".