390713245 has 32 divisors (see below), whose sum is σ = 533998080. Its totient is φ = 272056320.

The previous prime is 390713221. The next prime is 390713251. The reversal of 390713245 is 542317093.

It is not a de Polignac number, because 390713245 - 2⁷ = 390713117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 390713245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316780 + ... + 318010.

It is an arithmetic number, because the mean of its divisors is an integer number (16687440).

Almost surely, 2^390713245 is an apocalyptic number.

It is an amenable number.

390713245 is a deficient number, since it is larger than the sum of its proper divisors (143284835).

390713245 is a wasteful number, since it uses less digits than its factorization.

390713245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 390713245 is about 19766.4676915224. The cubic root of 390713245 is about 731.0594767969.

The spelling of 390713245 in words is "three hundred ninety million, seven hundred thirteen thousand, two hundred forty-five".