399000761 has 8 divisors (see below), whose sum is σ = 422716320. Its totient is φ = 375312448.

The previous prime is 399000737. The next prime is 399000769. The reversal of 399000761 is 167000993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 399000761 - 2⁶ = 399000697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399000769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28670 + ... + 40248.

It is an arithmetic number, because the mean of its divisors is an integer number (52839540).

Almost surely, 2^399000761 is an apocalyptic number.

It is an amenable number.

399000761 is a deficient number, since it is larger than the sum of its proper divisors (23715559).

399000761 is a wasteful number, since it uses less digits than its factorization.

399000761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 399000761 is about 19975.0034042550. The cubic root of 399000761 is about 736.1922501335.

The spelling of 399000761 in words is "three hundred ninety-nine million, seven hundred sixty-one", and thus it is an aban number.