396622051 has 16 divisors (see below), whose sum is σ = 477692928. Its totient is φ = 321948000.

The previous prime is 396622043. The next prime is 396622073. The reversal of 396622051 is 150226693.

It is a 5-Lehmer number, since φ(396622051) divides (396622051-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 396622051 - 2³ = 396622043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396621998 and 396622016.

It is not an unprimeable number, because it can be changed into a prime (396622001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4066 + ... + 28456.

It is an arithmetic number, because the mean of its divisors is an integer number (29855808).

Almost surely, 2^396622051 is an apocalyptic number.

396622051 is the 16261-st pentagonal number.

396622051 is a deficient number, since it is larger than the sum of its proper divisors (81070877).

396622051 is a wasteful number, since it uses less digits than its factorization.

396622051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24522.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 396622051 is about 19915.3722285073. The cubic root of 396622051 is about 734.7263553192.

The spelling of 396622051 in words is "three hundred ninety-six million, six hundred twenty-two thousand, fifty-one".