399014396 has 48 divisors (see below), whose sum is σ = 811883520. Its totient is φ = 169773120.

The previous prime is 399014381. The next prime is 399014411. The reversal of 399014396 is 693410993.

It is an interprime number because it is at equal distance from previous prime (399014381) and next prime (399014411).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43370 + ... + 51758.

It is an arithmetic number, because the mean of its divisors is an integer number (16914240).

Almost surely, 2^399014396 is an apocalyptic number.

It is an amenable number.

399014396 is an abundant number, since it is smaller than the sum of its proper divisors (412869124).

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

399014396 is a wasteful number, since it uses less digits than its factorization.

399014396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474 (or 8472 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 399014396 is about 19975.3447029081. The cubic root of 399014396 is about 736.2006359713.

The spelling of 399014396 in words is "three hundred ninety-nine million, fourteen thousand, three hundred ninety-six".