396566500 has 48 divisors (see below), whose sum is σ = 944850816. Its totient is φ = 144204000.

The previous prime is 396566479. The next prime is 396566507. The reversal of 396566500 is 5665693.

It is not an unprimeable number, because it can be changed into a prime (396566507) 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 15 ways as a sum of consecutive naturals, for example, 30552 + ... + 41551.

It is an arithmetic number, because the mean of its divisors is an integer number (19684392).

Almost surely, 2^396566500 is an apocalyptic number.

It is an amenable number.

396566500 is an abundant number, since it is smaller than the sum of its proper divisors (548284316).

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

396566500 is a wasteful number, since it uses less digits than its factorization.

396566500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72133 (or 72121 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 396566500 is about 19913.9775032513. The cubic root of 396566500 is about 734.6920517219.

The spelling of 396566500 in words is "three hundred ninety-six million, five hundred sixty-six thousand, five hundred".