399760364 has 6 divisors (see below), whose sum is σ = 699580644. Its totient is φ = 199880180.

The previous prime is 399760363. The next prime is 399760367. The reversal of 399760364 is 463067993.

It is not an unprimeable number, because it can be changed into a prime (399760363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49970042 + ... + 49970049.

It is an arithmetic number, because the mean of its divisors is an integer number (116596774).

Almost surely, 2^399760364 is an apocalyptic number.

It is an amenable number.

399760364 is a deficient number, since it is larger than the sum of its proper divisors (299820280).

399760364 is a wasteful number, since it uses less digits than its factorization.

399760364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99940095 (or 99940093 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 47.

The square root of 399760364 is about 19994.0082024591. The cubic root of 399760364 is about 736.6591325733.

The spelling of 399760364 in words is "three hundred ninety-nine million, seven hundred sixty thousand, three hundred sixty-four".