396973601 has 2 divisors, whose sum is σ = 396973602. Its totient is φ = 396973600.

The previous prime is 396973597. The next prime is 396973627. The reversal of 396973601 is 106379693.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395055376 + 1918225 = 19876^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 396973601 - 2² = 396973597 is a prime.

It is not a weakly prime, because it can be changed into another prime (396973651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198486800 + 198486801.

It is an arithmetic number, because the mean of its divisors is an integer number (198486801).

Almost surely, 2^396973601 is an apocalyptic number.

It is an amenable number.

396973601 is a deficient number, since it is larger than the sum of its proper divisors (1).

396973601 is an equidigital number, since it uses as much as digits as its factorization.

396973601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 396973601 is about 19924.1963702429. The cubic root of 396973601 is about 734.9433686140.

The spelling of 396973601 in words is "three hundred ninety-six million, nine hundred seventy-three thousand, six hundred one".