404314919 has 2 divisors, whose sum is σ = 404314920. Its totient is φ = 404314918.

The previous prime is 404314903. The next prime is 404314943. The reversal of 404314919 is 919413404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404314919 - 2⁴ = 404314903 is a prime.

It is a super-2 number, since 2×404314919² = 326941107451953122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404314949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202157459 + 202157460.

It is an arithmetic number, because the mean of its divisors is an integer number (202157460).

Almost surely, 2^404314919 is an apocalyptic number.

404314919 is a deficient number, since it is larger than the sum of its proper divisors (1).

404314919 is an equidigital number, since it uses as much as digits as its factorization.

404314919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 404314919 is about 20107.5836191224. The cubic root of 404314919 is about 739.4462127706.

The spelling of 404314919 in words is "four hundred four million, three hundred fourteen thousand, nine hundred nineteen".