404826897 has 8 divisors (see below), whose sum is σ = 552322144. Its totient is φ = 263608128.

The previous prime is 404826859. The next prime is 404826941. The reversal of 404826897 is 798628404.

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

It is not a de Polignac number, because 404826897 - 2¹⁰ = 404825873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404826827) 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, 1568968 + ... + 1569225.

It is an arithmetic number, because the mean of its divisors is an integer number (69040268).

Almost surely, 2^404826897 is an apocalyptic number.

It is an amenable number.

404826897 is a deficient number, since it is larger than the sum of its proper divisors (147495247).

404826897 is a wasteful number, since it uses less digits than its factorization.

404826897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138239.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 404826897 is about 20120.3105592334. The cubic root of 404826897 is about 739.7581977200.

The spelling of 404826897 in words is "four hundred four million, eight hundred twenty-six thousand, eight hundred ninety-seven".