396538164 has 72 divisors (see below), whose sum is σ = 1096455360. Its totient is φ = 119836800.

The previous prime is 396538159. The next prime is 396538169. The reversal of 396538164 is 461835693.

It is an interprime number because it is at equal distance from previous prime (396538159) and next prime (396538169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396538169) 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, 172704 + ... + 174984.

Almost surely, 2^396538164 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 396538164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548227680).

396538164 is an abundant number, since it is smaller than the sum of its proper divisors (699917196).

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

396538164 is a wasteful number, since it uses less digits than its factorization.

396538164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2736 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 396538164 is about 19913.2660304632. The cubic root of 396538164 is about 734.6745525720.

The spelling of 396538164 in words is "three hundred ninety-six million, five hundred thirty-eight thousand, one hundred sixty-four".