390271674 has 16 divisors (see below), whose sum is σ = 840585312. Its totient is φ = 120083568.

The previous prime is 390271649. The next prime is 390271709. The reversal of 390271674 is 476172093.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 2501664 + ... + 2501819.

It is an arithmetic number, because the mean of its divisors is an integer number (52536582).

Almost surely, 2^390271674 is an apocalyptic number.

390271674 is an abundant number, since it is smaller than the sum of its proper divisors (450313638).

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

390271674 is a wasteful number, since it uses less digits than its factorization.

390271674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003501.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 390271674 is about 19755.2948345501. The cubic root of 390271674 is about 730.7839666829.

The spelling of 390271674 in words is "three hundred ninety million, two hundred seventy-one thousand, six hundred seventy-four".