396137832 has 64 divisors (see below), whose sum is σ = 1036800000. Its totient is φ = 125889984.

The previous prime is 396137813. The next prime is 396137839. The reversal of 396137832 is 238731693.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (396137839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197169 + ... + 199167.

It is an arithmetic number, because the mean of its divisors is an integer number (16200000).

Almost surely, 2^396137832 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 396137832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518400000).

396137832 is an abundant number, since it is smaller than the sum of its proper divisors (640662168).

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

396137832 is a wasteful number, since it uses less digits than its factorization.

396137832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2386 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 396137832 is about 19903.2116001413. The cubic root of 396137832 is about 734.4272348347.

The spelling of 396137832 in words is "three hundred ninety-six million, one hundred thirty-seven thousand, eight hundred thirty-two".