390503674 has 16 divisors (see below), whose sum is σ = 640094400. Its totient is φ = 177199360.

The previous prime is 390503657. The next prime is 390503677. The reversal of 390503674 is 476305093.

390503674 is nontrivially palindromic in base 3.

It is not an unprimeable number, because it can be changed into a prime (390503677) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1639 + ... + 27994.

It is an arithmetic number, because the mean of its divisors is an integer number (40005900).

Almost surely, 2^390503674 is an apocalyptic number.

390503674 is a deficient number, since it is larger than the sum of its proper divisors (249590726).

390503674 is a wasteful number, since it uses less digits than its factorization.

390503674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30245.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 390503674 is about 19761.1658056907. The cubic root of 390503674 is about 730.9287447162.

It can be divided in two parts, 39050 and 3674, that added together give a palindrome (42724).

The spelling of 390503674 in words is "three hundred ninety million, five hundred three thousand, six hundred seventy-four".