404879441 has 2 divisors, whose sum is σ = 404879442. Its totient is φ = 404879440.

The previous prime is 404879381. The next prime is 404879477. The reversal of 404879441 is 144978404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403849216 + 1030225 = 20096^2 + 1015^2 .

It is a cyclic number.

It is not a de Polignac number, because 404879441 - 2¹⁴ = 404863057 is a prime.

It is not a weakly prime, because it can be changed into another prime (404879491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202439720 + 202439721.

It is an arithmetic number, because the mean of its divisors is an integer number (202439721).

Almost surely, 2^404879441 is an apocalyptic number.

It is an amenable number.

404879441 is a deficient number, since it is larger than the sum of its proper divisors (1).

404879441 is an equidigital number, since it uses as much as digits as its factorization.

404879441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 404879441 is about 20121.6162621197. The cubic root of 404879441 is about 739.7902016649.

The spelling of 404879441 in words is "four hundred four million, eight hundred seventy-nine thousand, four hundred forty-one".