404374679 has 2 divisors, whose sum is σ = 404374680. Its totient is φ = 404374678.

The previous prime is 404374651. The next prime is 404374697. The reversal of 404374679 is 976473404.

Together with next prime (404374697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404374679 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404374639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202187339 + 202187340.

It is an arithmetic number, because the mean of its divisors is an integer number (202187340).

Almost surely, 2^404374679 is an apocalyptic number.

404374679 is a deficient number, since it is larger than the sum of its proper divisors (1).

404374679 is an equidigital number, since it uses as much as digits as its factorization.

404374679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 404374679 is about 20109.0695707186. The cubic root of 404374679 is about 739.4826424006.

The spelling of 404374679 in words is "four hundred four million, three hundred seventy-four thousand, six hundred seventy-nine".