396662801 has 4 divisors (see below), whose sum is σ = 402096612. Its totient is φ = 391228992.

The previous prime is 396662789. The next prime is 396662821. The reversal of 396662801 is 108266693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325766401 + 70896400 = 18049^2 + 8420^2 .

It is a cyclic number.

It is not a de Polignac number, because 396662801 - 2¹⁰ = 396661777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396662821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2716796 + ... + 2716941.

It is an arithmetic number, because the mean of its divisors is an integer number (100524153).

Almost surely, 2^396662801 is an apocalyptic number.

It is an amenable number.

396662801 is a deficient number, since it is larger than the sum of its proper divisors (5433811).

396662801 is an equidigital number, since it uses as much as digits as its factorization.

396662801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433810.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 396662801 is about 19916.3952812752. The cubic root of 396662801 is about 734.7515170348.

The spelling of 396662801 in words is "three hundred ninety-six million, six hundred sixty-two thousand, eight hundred one".