423927764 has 12 divisors (see below), whose sum is σ = 798940884. Its totient is φ = 195658944.

The previous prime is 423927719. The next prime is 423927769. The reversal of 423927764 is 467729324.

It can be written as a sum of positive squares in 2 ways, for example, as 246238864 + 177688900 = 15692^2 + 13330^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423927769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4076177 + ... + 4076280.

It is an arithmetic number, because the mean of its divisors is an integer number (66578407).

Almost surely, 2^423927764 is an apocalyptic number.

It is an amenable number.

423927764 is a deficient number, since it is larger than the sum of its proper divisors (375013120).

423927764 is a wasteful number, since it uses less digits than its factorization.

423927764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152474 (or 8152472 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The square root of 423927764 is about 20589.5061621205. The cubic root of 423927764 is about 751.2144850473.

The spelling of 423927764 in words is "four hundred twenty-three million, nine hundred twenty-seven thousand, seven hundred sixty-four".