390393070 has 16 divisors (see below), whose sum is σ = 726939360. Its totient is φ = 150772384.

The previous prime is 390393067. The next prime is 390393077. The reversal of 390393070 is 70393093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390393077) 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, 672802 + ... + 673381.

It is an arithmetic number, because the mean of its divisors is an integer number (45433710).

Almost surely, 2^390393070 is an apocalyptic number.

390393070 is a deficient number, since it is larger than the sum of its proper divisors (336546290).

390393070 is a wasteful number, since it uses less digits than its factorization.

390393070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346219.

The product of its (nonzero) digits is 15309, while the sum is 34.

The square root of 390393070 is about 19758.3670884008. The cubic root of 390393070 is about 730.8597301912.

The spelling of 390393070 in words is "three hundred ninety million, three hundred ninety-three thousand, seventy".