399162846 has 16 divisors (see below), whose sum is σ = 799319808. Its totient is φ = 132888600.

The previous prime is 399162823. The next prime is 399162847. The reversal of 399162846 is 648261993.

It is a junction number, because it is equal to n+sod(n) for n = 399162795 and 399162804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399162847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36150 + ... + 45881.

It is an arithmetic number, because the mean of its divisors is an integer number (49957488).

Almost surely, 2^399162846 is an apocalyptic number.

399162846 is an abundant number, since it is smaller than the sum of its proper divisors (400156962).

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

399162846 is a wasteful number, since it uses less digits than its factorization.

399162846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82847.

The product of its digits is 559872, while the sum is 48.

The square root of 399162846 is about 19979.0601881069. The cubic root of 399162846 is about 736.2919237669.

The spelling of 399162846 in words is "three hundred ninety-nine million, one hundred sixty-two thousand, eight hundred forty-six".