405395697 has 8 divisors (see below), whose sum is σ = 617745856. Its totient is φ = 231654672.

The previous prime is 405395687. The next prime is 405395699. The reversal of 405395697 is 796593504.

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

It is not a de Polignac number, because 405395697 - 2⁴ = 405395681 is a prime.

It is a super-2 number, since 2×405395697² = 328691342292231618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405395699) 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, 9652258 + ... + 9652299.

It is an arithmetic number, because the mean of its divisors is an integer number (77218232).

Almost surely, 2^405395697 is an apocalyptic number.

It is an amenable number.

405395697 is a deficient number, since it is larger than the sum of its proper divisors (212350159).

405395697 is a wasteful number, since it uses less digits than its factorization.

405395697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304567.

The product of its (nonzero) digits is 1020600, while the sum is 48.

The square root of 405395697 is about 20134.4405683396. The cubic root of 405395697 is about 740.1045000949.

The spelling of 405395697 in words is "four hundred five million, three hundred ninety-five thousand, six hundred ninety-seven".