404924017 has 2 divisors, whose sum is σ = 404924018. Its totient is φ = 404924016.

The previous prime is 404923933. The next prime is 404924033. The reversal of 404924017 is 710429404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213627456 + 191296561 = 14616^2 + 13831^2 .

It is a cyclic number.

It is not a de Polignac number, because 404924017 - 2¹⁹ = 404399729 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404924017.

It is not a weakly prime, because it can be changed into another prime (404924917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202462008 + 202462009.

It is an arithmetic number, because the mean of its divisors is an integer number (202462009).

Almost surely, 2^404924017 is an apocalyptic number.

It is an amenable number.

404924017 is a deficient number, since it is larger than the sum of its proper divisors (1).

404924017 is an equidigital number, since it uses as much as digits as its factorization.

404924017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 404924017 is about 20122.7238961329. The cubic root of 404924017 is about 739.8173502221.

The spelling of 404924017 in words is "four hundred four million, nine hundred twenty-four thousand, seventeen".