404070619 has 2 divisors, whose sum is σ = 404070620. Its totient is φ = 404070618.

The previous prime is 404070617. The next prime is 404070661. The reversal of 404070619 is 916070404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404070619 - 2¹ = 404070617 is a prime.

It is a super-2 number, since 2×404070619² = 326546130278086322, which contains 22 as substring.

Together with 404070617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (404070617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202035309 + 202035310.

It is an arithmetic number, because the mean of its divisors is an integer number (202035310).

Almost surely, 2^404070619 is an apocalyptic number.

404070619 is a deficient number, since it is larger than the sum of its proper divisors (1).

404070619 is an equidigital number, since it uses as much as digits as its factorization.

404070619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 404070619 is about 20101.5078787637. The cubic root of 404070619 is about 739.2972504167.

The spelling of 404070619 in words is "four hundred four million, seventy thousand, six hundred nineteen".