396297180 has 216 divisors, whose sum is σ = 1301227200. Its totient is φ = 97493760.

The previous prime is 396297127. The next prime is 396297191. The reversal of 396297180 is 81792693.

396297180 is a `hidden beast` number, since 3 + 9 + 629 + 7 + 18 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 5016381 + ... + 5016459.

It is an arithmetic number, because the mean of its divisors is an integer number (6024200).

Almost surely, 2^396297180 is an apocalyptic number.

396297180 is a gapful number since it is divisible by the number (30) 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 396297180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650613600).

396297180 is an abundant number, since it is smaller than the sum of its proper divisors (904930020).

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

396297180 is a wasteful number, since it uses less digits than its factorization.

396297180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 396297180 is about 19907.2142702087. The cubic root of 396297180 is about 734.5256970476.

The spelling of 396297180 in words is "three hundred ninety-six million, two hundred ninety-seven thousand, one hundred eighty".