423289476 has 81 divisors (see below), whose sum is σ = 1119895959. Its totient is φ = 139985496.

The previous prime is 423289441. The next prime is 423289483. The reversal of 423289476 is 674982324.

The square root of 423289476 is 20574.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (81).

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 3332925 + ... + 3333051.

Almost surely, 2^423289476 is an apocalyptic number.

423289476 is the 20574-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423289476

423289476 is an abundant number, since it is smaller than the sum of its proper divisors (696606483).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423289476 is an frugal number, since it uses more digits than its factorization.

423289476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 132 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The cubic root of 423289476 is about 750.8372729509.

The spelling of 423289476 in words is "four hundred twenty-three million, two hundred eighty-nine thousand, four hundred seventy-six".