396808151 has 2 divisors, whose sum is σ = 396808152. Its totient is φ = 396808150.

The previous prime is 396808147. The next prime is 396808177. The reversal of 396808151 is 151808693.

It is a weak prime.

It is an emirp because it is prime and its reverse (151808693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396808151 - 2² = 396808147 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 396808099 and 396808108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396801151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198404075 + 198404076.

It is an arithmetic number, because the mean of its divisors is an integer number (198404076).

Almost surely, 2^396808151 is an apocalyptic number.

396808151 is a deficient number, since it is larger than the sum of its proper divisors (1).

396808151 is an equidigital number, since it uses as much as digits as its factorization.

396808151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 396808151 is about 19920.0439507547. The cubic root of 396808151 is about 734.8412515993.

The spelling of 396808151 in words is "three hundred ninety-six million, eight hundred eight thousand, one hundred fifty-one".