396715844672 has 168 divisors, whose sum is σ = 970859006208. Its totient is φ = 160088140800.

The previous prime is 396715844663. The next prime is 396715844713. The reversal of 396715844672 is 276448517693.

It is a happy number.

It is a super-2 number, since 2×396715844672² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3541847 + ... + 3652137.

It is an arithmetic number, because the mean of its divisors is an integer number (5778922656).

Almost surely, 2^396715844672 is an apocalyptic number.

396715844672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396715844672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485429503104).

396715844672 is an abundant number, since it is smaller than the sum of its proper divisors (574143161536).

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

396715844672 is a wasteful number, since it uses less digits than its factorization.

396715844672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110385 (or 110368 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 62.

The spelling of 396715844672 in words is "three hundred ninety-six billion, seven hundred fifteen million, eight hundred forty-four thousand, six hundred seventy-two".