405797169 has 8 divisors (see below), whose sum is σ = 541529632. Its totient is φ = 270298080.

The previous prime is 405797159. The next prime is 405797207. The reversal of 405797169 is 961797504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405797169 - 2⁴ = 405797153 is a prime.

It is a super-2 number, since 2×405797169² = 329342684736829122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405797159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54244 + ... + 61269.

It is an arithmetic number, because the mean of its divisors is an integer number (67691204).

Almost surely, 2^405797169 is an apocalyptic number.

It is an amenable number.

405797169 is a deficient number, since it is larger than the sum of its proper divisors (135732463).

405797169 is a wasteful number, since it uses less digits than its factorization.

405797169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116687.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 405797169 is about 20144.4078840754. The cubic root of 405797169 is about 740.3487332436.

The spelling of 405797169 in words is "four hundred five million, seven hundred ninety-seven thousand, one hundred sixty-nine".