399846153 has 24 divisors (see below), whose sum is σ = 629609664. Its totient is φ = 221101920.

The previous prime is 399846101. The next prime is 399846197. The reversal of 399846153 is 351648993.

It is not a de Polignac number, because 399846153 - 2²² = 395651849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (399846353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10275 + ... + 30087.

It is an arithmetic number, because the mean of its divisors is an integer number (26233736).

Almost surely, 2^399846153 is an apocalyptic number.

It is an amenable number.

399846153 is a deficient number, since it is larger than the sum of its proper divisors (229763511).

399846153 is a wasteful number, since it uses less digits than its factorization.

399846153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19885 (or 19854 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 399846153 is about 19996.1534551023. The cubic root of 399846153 is about 736.7118247491.

The spelling of 399846153 in words is "three hundred ninety-nine million, eight hundred forty-six thousand, one hundred fifty-three".