396565542 has 12 divisors (see below), whose sum is σ = 859225380. Its totient is φ = 132188508.

The previous prime is 396565541. The next prime is 396565607. The reversal of 396565542 is 245565693.

396565542 is a `hidden beast` number, since 3 + 96 + 5 + 6 + 554 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396565541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11015692 + ... + 11015727.

It is an arithmetic number, because the mean of its divisors is an integer number (71602115).

Almost surely, 2^396565542 is an apocalyptic number.

396565542 is an abundant number, since it is smaller than the sum of its proper divisors (462659838).

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

396565542 is a wasteful number, since it uses less digits than its factorization.

396565542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22031427 (or 22031424 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 396565542 is about 19913.9534497799. The cubic root of 396565542 is about 734.6914601140.

The spelling of 396565542 in words is "three hundred ninety-six million, five hundred sixty-five thousand, five hundred forty-two".