390247367 has 4 divisors (see below), whose sum is σ = 390315816. Its totient is φ = 390178920.

The previous prime is 390247357. The next prime is 390247379. The reversal of 390247367 is 763742093.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 390247367 - 2⁶ = 390247303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390247357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24809 + ... + 37362.

It is an arithmetic number, because the mean of its divisors is an integer number (97578954).

Almost surely, 2^390247367 is an apocalyptic number.

390247367 is a deficient number, since it is larger than the sum of its proper divisors (68449).

390247367 is an equidigital number, since it uses as much as digits as its factorization.

390247367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68448.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 390247367 is about 19754.6796228134. The cubic root of 390247367 is about 730.7687947434.

The spelling of 390247367 in words is "three hundred ninety million, two hundred forty-seven thousand, three hundred sixty-seven".