399151104 has 104 divisors (see below), whose sum is σ = 1161418272. Its totient is φ = 120913920.

The previous prime is 399151097. The next prime is 399151111. The reversal of 399151104 is 401151993.

It is an interprime number because it is at equal distance from previous prime (399151097) and next prime (399151111).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 133692 + ... + 136644.

Almost surely, 2^399151104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399151104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580709136).

399151104 is an abundant number, since it is smaller than the sum of its proper divisors (762267168).

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

399151104 is a wasteful number, since it uses less digits than its factorization.

399151104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 399151104 is about 19978.7663282796. The cubic root of 399151104 is about 736.2847039696.

The spelling of 399151104 in words is "three hundred ninety-nine million, one hundred fifty-one thousand, one hundred four".