396201663 has 48 divisors (see below), whose sum is σ = 675991680. Its totient is φ = 220449600.

The previous prime is 396201653. The next prime is 396201709. The reversal of 396201663 is 366102693.

396201663 is a `hidden beast` number, since 396 + 201 + 6 + 63 = 666.

It is not a de Polignac number, because 396201663 - 2⁶ = 396201599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396201653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270828 + ... + 272286.

It is an arithmetic number, because the mean of its divisors is an integer number (14083160).

Almost surely, 2^396201663 is an apocalyptic number.

396201663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

396201663 is a deficient number, since it is larger than the sum of its proper divisors (279790017).

396201663 is a wasteful number, since it uses less digits than its factorization.

396201663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 396201663 is about 19904.8150707310. The cubic root of 396201663 is about 734.4666796132.

The spelling of 396201663 in words is "three hundred ninety-six million, two hundred one thousand, six hundred sixty-three".