399357038 has 8 divisors (see below), whose sum is σ = 599457888. Its totient is φ = 199537744.

The previous prime is 399357011. The next prime is 399357041. The reversal of 399357038 is 830753993.

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

It is a junction number, because it is equal to n+sod(n) for n = 399356983 and 399357001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66806 + ... + 72537.

It is an arithmetic number, because the mean of its divisors is an integer number (74932236).

Almost surely, 2^399357038 is an apocalyptic number.

399357038 is a deficient number, since it is larger than the sum of its proper divisors (200100850).

399357038 is a wasteful number, since it uses less digits than its factorization.

399357038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140778.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 399357038 is about 19983.9194854263. The cubic root of 399357038 is about 736.4113059707.

The spelling of 399357038 in words is "three hundred ninety-nine million, three hundred fifty-seven thousand, thirty-eight".