399124698 has 48 divisors (see below), whose sum is σ = 953698464. Its totient is φ = 110950560.

The previous prime is 399124637. The next prime is 399124723. The reversal of 399124698 is 896421993.

It is a self number, because there is not a number n which added to its sum of digits gives 399124698.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7468 + ... + 29223.

It is an arithmetic number, because the mean of its divisors is an integer number (19868718).

Almost surely, 2^399124698 is an apocalyptic number.

399124698 is an abundant number, since it is smaller than the sum of its proper divisors (554573766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399124698 is a wasteful number, since it uses less digits than its factorization.

399124698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36747 (or 36740 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 399124698 is about 19978.1054657342. The cubic root of 399124698 is about 736.2684672091.

The spelling of 399124698 in words is "three hundred ninety-nine million, one hundred twenty-four thousand, six hundred ninety-eight".