396651024 has 240 divisors, whose sum is σ = 1403910144. Its totient is φ = 101548800.

The previous prime is 396651023. The next prime is 396651083. The reversal of 396651024 is 420156693.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 396651024.

It is not an unprimeable number, because it can be changed into a prime (396651023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 920089 + ... + 920519.

Almost surely, 2^396651024 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 396651024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701955072).

396651024 is an abundant number, since it is smaller than the sum of its proper divisors (1007259120).

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

396651024 is a wasteful number, since it uses less digits than its factorization.

396651024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 396651024 is about 19916.0996181481. The cubic root of 396651024 is about 734.7442453217.

The spelling of 396651024 in words is "three hundred ninety-six million, six hundred fifty-one thousand, twenty-four".