399604514 has 24 divisors (see below), whose sum is σ = 637666068. Its totient is φ = 187669440.

The previous prime is 399604511. The next prime is 399604519. The reversal of 399604514 is 415406993.

It can be written as a sum of positive squares in 6 ways, for example, as 253605625 + 145998889 = 15925^2 + 12083^2 .

It is not an unprimeable number, because it can be changed into a prime (399604511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59024 + ... + 65444.

Almost surely, 2^399604514 is an apocalyptic number.

399604514 is a deficient number, since it is larger than the sum of its proper divisors (238061554).

399604514 is a wasteful number, since it uses less digits than its factorization.

399604514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518 (or 6489 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 399604514 is about 19990.1104048977. The cubic root of 399604514 is about 736.5633891738.

The spelling of 399604514 in words is "three hundred ninety-nine million, six hundred four thousand, five hundred fourteen".