396618308 has 6 divisors (see below), whose sum is σ = 694082046. Its totient is φ = 198309152.

The previous prime is 396618307. The next prime is 396618311. The reversal of 396618308 is 803816693.

It can be written as a sum of positive squares in only one way, i.e., 395532544 + 1085764 = 19888^2 + 1042^2 .

It is not an unprimeable number, because it can be changed into a prime (396618307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49577285 + ... + 49577292.

It is an arithmetic number, because the mean of its divisors is an integer number (115680341).

Almost surely, 2^396618308 is an apocalyptic number.

It is an amenable number.

396618308 is a deficient number, since it is larger than the sum of its proper divisors (297463738).

396618308 is a wasteful number, since it uses less digits than its factorization.

396618308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99154581 (or 99154579 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 396618308 is about 19915.2782556509. The cubic root of 396618308 is about 734.7240440598.

The spelling of 396618308 in words is "three hundred ninety-six million, six hundred eighteen thousand, three hundred eight".