423784008 has 32 divisors (see below), whose sum is σ = 1177178400. Its totient is φ = 141261264.

The previous prime is 423784003. The next prime is 423784021. The reversal of 423784008 is 800487324.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (423784001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980766 + ... + 981197.

It is an arithmetic number, because the mean of its divisors is an integer number (36786825).

Almost surely, 2^423784008 is an apocalyptic number.

It is an amenable number.

423784008 is an abundant number, since it is smaller than the sum of its proper divisors (753394392).

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

423784008 is a wasteful number, since it uses less digits than its factorization.

423784008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961978 (or 1961968 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 423784008 is about 20586.0148644656. The cubic root of 423784008 is about 751.1295619324.

The spelling of 423784008 in words is "four hundred twenty-three million, seven hundred eighty-four thousand, eight".