399950754 has 16 divisors (see below), whose sum is σ = 914173248. Its totient is φ = 114271632.

The previous prime is 399950737. The next prime is 399950801. The reversal of 399950754 is 457059993.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 399950697 and 399950706.

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, 4761277 + ... + 4761360.

It is an arithmetic number, because the mean of its divisors is an integer number (57135828).

Almost surely, 2^399950754 is an apocalyptic number.

399950754 is an abundant number, since it is smaller than the sum of its proper divisors (514222494).

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

399950754 is a wasteful number, since it uses less digits than its factorization.

399950754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522649.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The square root of 399950754 is about 19998.7688121044. The cubic root of 399950754 is about 736.7760611846.

The spelling of 399950754 in words is "three hundred ninety-nine million, nine hundred fifty thousand, seven hundred fifty-four".