404242627 has 2 divisors, whose sum is σ = 404242628. Its totient is φ = 404242626.

The previous prime is 404242603. The next prime is 404242637. The reversal of 404242627 is 726242404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404242627 - 2¹¹ = 404240579 is a prime.

It is a super-2 number, since 2×404242627² = 326824202967722258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (404242637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202121313 + 202121314.

It is an arithmetic number, because the mean of its divisors is an integer number (202121314).

Almost surely, 2^404242627 is an apocalyptic number.

404242627 is a deficient number, since it is larger than the sum of its proper divisors (1).

404242627 is an equidigital number, since it uses as much as digits as its factorization.

404242627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 404242627 is about 20105.7859085389. The cubic root of 404242627 is about 739.4021388492.

The spelling of 404242627 in words is "four hundred four million, two hundred forty-two thousand, six hundred twenty-seven".