404320895 has 24 divisors (see below), whose sum is σ = 536524128. Its totient is φ = 292276160.

The previous prime is 404320849. The next prime is 404320897. The reversal of 404320895 is 598023404.

It is not a de Polignac number, because 404320895 - 2⁶ = 404320831 is a prime.

It is a super-2 number, since 2×404320895² = 326950772267202050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404320897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102734 + ... + 106596.

It is an arithmetic number, because the mean of its divisors is an integer number (22355172).

Almost surely, 2^404320895 is an apocalyptic number.

404320895 is a deficient number, since it is larger than the sum of its proper divisors (132203233).

404320895 is a wasteful number, since it uses less digits than its factorization.

404320895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 404320895 is about 20107.7322192235. The cubic root of 404320895 is about 739.4498558952.

The spelling of 404320895 in words is "four hundred four million, three hundred twenty thousand, eight hundred ninety-five".