399062958 has 48 divisors (see below), whose sum is σ = 933742080. Its totient is φ = 113366064.

The previous prime is 399062933. The next prime is 399062971. The reversal of 399062958 is 859260993.

It is a self number, because there is not a number n which added to its sum of digits gives 399062958.

It is a congruent number.

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, 48835 + ... + 56417.

It is an arithmetic number, because the mean of its divisors is an integer number (19452960).

Almost surely, 2^399062958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399062958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466871040).

399062958 is an abundant number, since it is smaller than the sum of its proper divisors (534679122).

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

399062958 is a wasteful number, since it uses less digits than its factorization.

399062958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781 (or 7774 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 399062958 is about 19976.5602144113. The cubic root of 399062958 is about 736.2305011636.

The spelling of 399062958 in words is "three hundred ninety-nine million, sixty-two thousand, nine hundred fifty-eight".