396618252 has 12 divisors (see below), whose sum is σ = 925442616. Its totient is φ = 132206080.

The previous prime is 396618251. The next prime is 396618253. The reversal of 396618252 is 252816693.

It is an interprime number because it is at equal distance from previous prime (396618251) and next prime (396618253).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (396618251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16525749 + ... + 16525772.

It is an arithmetic number, because the mean of its divisors is an integer number (77120218).

Almost surely, 2^396618252 is an apocalyptic number.

It is an amenable number.

396618252 is an abundant number, since it is smaller than the sum of its proper divisors (528824364).

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

396618252 is a wasteful number, since it uses less digits than its factorization.

396618252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33051528 (or 33051526 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 396618252 is about 19915.2768496951. The cubic root of 396618252 is about 734.7240094803.

The spelling of 396618252 in words is "three hundred ninety-six million, six hundred eighteen thousand, two hundred fifty-two".