404423307 has 16 divisors (see below), whose sum is σ = 599572480. Its totient is φ = 269423496.

The previous prime is 404423273. The next prime is 404423309. The reversal of 404423307 is 703324404.

It is not a de Polignac number, because 404423307 - 2¹⁴ = 404406923 is a prime.

It is a super-2 number, since 2×404423307² = 327116422489632498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404423309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40398 + ... + 49404.

It is an arithmetic number, because the mean of its divisors is an integer number (37473280).

Almost surely, 2^404423307 is an apocalyptic number.

404423307 is a deficient number, since it is larger than the sum of its proper divisors (195149173).

404423307 is a wasteful number, since it uses less digits than its factorization.

404423307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10679 (or 10673 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 404423307 is about 20110.2786405360. The cubic root of 404423307 is about 739.5122833273.

The spelling of 404423307 in words is "four hundred four million, four hundred twenty-three thousand, three hundred seven".