396442575 has 36 divisors (see below), whose sum is σ = 712155808. Its totient is φ = 210816000.

The previous prime is 396442573. The next prime is 396442591. The reversal of 396442575 is 575244693.

396442575 is a `hidden beast` number, since 39 + 6 + 4 + 42 + 575 = 666.

It is not a de Polignac number, because 396442575 - 2¹ = 396442573 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

Its product of digits (907200) is a multiple of the sum of its prime factors (5184).

It is a self number, because there is not a number n which added to its sum of digits gives 396442575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396442573) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 80175 + ... + 84975.

Almost surely, 2^396442575 is an apocalyptic number.

396442575 is a deficient number, since it is larger than the sum of its proper divisors (315713233).

396442575 is a wasteful number, since it uses less digits than its factorization.

396442575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184 (or 5176 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 396442575 is about 19910.8657521465. The cubic root of 396442575 is about 734.6155145812.

The spelling of 396442575 in words is "three hundred ninety-six million, four hundred forty-two thousand, five hundred seventy-five".