404793261 has 16 divisors (see below), whose sum is σ = 625768320. Its totient is φ = 258128640.

The previous prime is 404793227. The next prime is 404793269. The reversal of 404793261 is 162397404.

It is not a de Polignac number, because 404793261 - 2¹⁵ = 404760493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404793269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325300 + ... + 326541.

It is an arithmetic number, because the mean of its divisors is an integer number (39110520).

Almost surely, 2^404793261 is an apocalyptic number.

It is an amenable number.

404793261 is a deficient number, since it is larger than the sum of its proper divisors (220975059).

404793261 is a wasteful number, since it uses less digits than its factorization.

404793261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651873 (or 651867 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 404793261 is about 20119.4746700802. The cubic root of 404793261 is about 739.7377089662.

The spelling of 404793261 in words is "four hundred four million, seven hundred ninety-three thousand, two hundred sixty-one".