423996408 has 48 divisors (see below), whose sum is σ = 1252719000. Its totient is φ = 128483520.

The previous prime is 423996403. The next prime is 423996427. The reversal of 423996408 is 804699324.

423996408 is a `hidden beast` number, since 4 + 239 + 9 + 6 + 408 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423996403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266883 + ... + 268466.

Almost surely, 2^423996408 is an apocalyptic number.

It is an amenable number.

423996408 is an abundant number, since it is smaller than the sum of its proper divisors (828722592).

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

423996408 is a wasteful number, since it uses less digits than its factorization.

423996408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535372 (or 535365 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 423996408 is about 20591.1730603188. The cubic root of 423996408 is about 751.2550293636.

The spelling of 423996408 in words is "four hundred twenty-three million, nine hundred ninety-six thousand, four hundred eight".