399246124322 has 16 divisors (see below), whose sum is σ = 605069795232. Its totient is φ = 197556374400.

The previous prime is 399246124313. The next prime is 399246124331. The reversal of 399246124322 is 223421642993.

It is an interprime number because it is at equal distance from previous prime (399246124313) and next prime (399246124331).

It is a super-2 number, since 2×399246124322² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8405813 + ... + 8453175.

It is an arithmetic number, because the mean of its divisors is an integer number (37816862202).

Almost surely, 2^399246124322 is an apocalyptic number.

399246124322 is a deficient number, since it is larger than the sum of its proper divisors (205823670910).

399246124322 is a wasteful number, since it uses less digits than its factorization.

399246124322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90913.

The product of its digits is 1119744, while the sum is 47.

The spelling of 399246124322 in words is "three hundred ninety-nine billion, two hundred forty-six million, one hundred twenty-four thousand, three hundred twenty-two".