399101412 has 24 divisors (see below), whose sum is σ = 935345376. Its totient is φ = 132446848.

The previous prime is 399101407. The next prime is 399101431. The reversal of 399101412 is 214101993.

It is a self number, because there is not a number n which added to its sum of digits gives 399101412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70533 + ... + 75980.

It is an arithmetic number, because the mean of its divisors is an integer number (38972724).

Almost surely, 2^399101412 is an apocalyptic number.

It is an amenable number.

399101412 is an abundant number, since it is smaller than the sum of its proper divisors (536243964).

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

399101412 is a wasteful number, since it uses less digits than its factorization.

399101412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146747 (or 146745 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 399101412 is about 19977.5226692400. The cubic root of 399101412 is about 736.2541483082.

The spelling of 399101412 in words is "three hundred ninety-nine million, one hundred one thousand, four hundred twelve".