404160007 has 2 divisors, whose sum is σ = 404160008. Its totient is φ = 404160006.

The previous prime is 404159993. The next prime is 404160049. The reversal of 404160007 is 700061404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404160007 is a prime.

It is a super-2 number, since 2×404160007² = 326690622516480098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404160007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404160067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202080003 + 202080004.

It is an arithmetic number, because the mean of its divisors is an integer number (202080004).

Almost surely, 2^404160007 is an apocalyptic number.

404160007 is a deficient number, since it is larger than the sum of its proper divisors (1).

404160007 is an equidigital number, since it uses as much as digits as its factorization.

404160007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 404160007 is about 20103.7311711035. The cubic root of 404160007 is about 739.3517618701.

The spelling of 404160007 in words is "four hundred four million, one hundred sixty thousand, seven".