404323077 has 4 divisors (see below), whose sum is σ = 539097440. Its totient is φ = 269548716.

The previous prime is 404323069. The next prime is 404323103. The reversal of 404323077 is 770323404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 404323077 - 2³ = 404323069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404323037) 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 in 3 ways as a sum of consecutive naturals, for example, 67387177 + ... + 67387182.

It is an arithmetic number, because the mean of its divisors is an integer number (134774360).

Almost surely, 2^404323077 is an apocalyptic number.

It is an amenable number.

404323077 is a deficient number, since it is larger than the sum of its proper divisors (134774363).

404323077 is a wasteful number, since it uses less digits than its factorization.

404323077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134774362.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 404323077 is about 20107.7864768850. The cubic root of 404323077 is about 739.4511860900.

The spelling of 404323077 in words is "four hundred four million, three hundred twenty-three thousand, seventy-seven".