390425078 has 8 divisors (see below), whose sum is σ = 587865168. Its totient is φ = 194470024.

The previous prime is 390425059. The next prime is 390425081. The reversal of 390425078 is 870524093.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370601 + ... + 371652.

It is an arithmetic number, because the mean of its divisors is an integer number (73483146).

Almost surely, 2^390425078 is an apocalyptic number.

390425078 is a deficient number, since it is larger than the sum of its proper divisors (197440090).

390425078 is a wasteful number, since it uses less digits than its factorization.

390425078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742518.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 390425078 is about 19759.1770577623. The cubic root of 390425078 is about 730.8797038372.

It can be divided in two parts, 3904 and 25078, that added together give a palindrome (28982).

The spelling of 390425078 in words is "three hundred ninety million, four hundred twenty-five thousand, seventy-eight".