396184986 has 16 divisors (see below), whose sum is σ = 880411200. Its totient is φ = 132061644.

The previous prime is 396184981. The next prime is 396184993. The reversal of 396184986 is 689481693.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 7336759 = 396184986 / (3 + 9 + 6 + 1 + 8 + 4 + 9 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (396184981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3668326 + ... + 3668433.

It is an arithmetic number, because the mean of its divisors is an integer number (55025700).

Almost surely, 2^396184986 is an apocalyptic number.

396184986 is an abundant number, since it is smaller than the sum of its proper divisors (484226214).

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

396184986 is a wasteful number, since it uses less digits than its factorization.

396184986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336770 (or 7336764 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 396184986 is about 19904.3961475851. The cubic root of 396184986 is about 734.4563743623.

The spelling of 396184986 in words is "three hundred ninety-six million, one hundred eighty-four thousand, nine hundred eighty-six".