399184706053896 has 768 divisors, whose sum is σ = 1309336784732160. Its totient is φ = 99075749498880.

The previous prime is 399184706053867. The next prime is 399184706053907. The reversal of 399184706053896 is 698350607481993.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3726360991 + ... + 3726468113.

It is an arithmetic number, because the mean of its divisors is an integer number (1704865605120).

Almost surely, 2^{399184706053896} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399184706053896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654668392366080).

399184706053896 is an abundant number, since it is smaller than the sum of its proper divisors (910152078678264).

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

399184706053896 is a wasteful number, since it uses less digits than its factorization.

399184706053896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107314 (or 107293 counting only the distinct ones).

The product of its (nonzero) digits is 2116316160, while the sum is 78.

The spelling of 399184706053896 in words is "three hundred ninety-nine trillion, one hundred eighty-four billion, seven hundred six million, fifty-three thousand, eight hundred ninety-six".