404260997 has 8 divisors (see below), whose sum is σ = 462279552. Its totient is φ = 346309200.

The previous prime is 404260991. The next prime is 404261023. The reversal of 404260997 is 799062404.

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

It is a cyclic number.

It is not a de Polignac number, because 404260997 - 2⁴ = 404260981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404260991) 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, 2954 + ... + 28587.

It is an arithmetic number, because the mean of its divisors is an integer number (57784944).

Almost surely, 2^404260997 is an apocalyptic number.

It is an amenable number.

404260997 is a deficient number, since it is larger than the sum of its proper divisors (58018555).

404260997 is a wasteful number, since it uses less digits than its factorization.

404260997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33379.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 404260997 is about 20106.2427370208. The cubic root of 404260997 is about 739.4133388981.

The spelling of 404260997 in words is "four hundred four million, two hundred sixty thousand, nine hundred ninety-seven".