395622899 has 32 divisors (see below), whose sum is σ = 487710720. Its totient is φ = 313747200.

The previous prime is 395622853. The next prime is 395622917. The reversal of 395622899 is 998226593.

It is a cyclic number.

It is not a de Polignac number, because 395622899 - 2¹² = 395618803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 395622899.

It is not an unprimeable number, because it can be changed into a prime (395622809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471122 + ... + 471960.

It is an arithmetic number, because the mean of its divisors is an integer number (15240960).

Almost surely, 2^395622899 is an apocalyptic number.

395622899 is a deficient number, since it is larger than the sum of its proper divisors (92087821).

395622899 is a wasteful number, since it uses less digits than its factorization.

395622899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its digits is 2099520, while the sum is 53.

The square root of 395622899 is about 19890.2714662219. The cubic root of 395622899 is about 734.1088735887.

The spelling of 395622899 in words is "three hundred ninety-five million, six hundred twenty-two thousand, eight hundred ninety-nine".