424243984 has 20 divisors (see below), whose sum is σ = 835906320. Its totient is φ = 208526240.

The previous prime is 424243973. The next prime is 424243991. The reversal of 424243984 is 489342424.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223762 + ... + 225649.

It is an arithmetic number, because the mean of its divisors is an integer number (41795316).

Almost surely, 2^424243984 is an apocalyptic number.

It is an amenable number.

424243984 is a deficient number, since it is larger than the sum of its proper divisors (411662336).

424243984 is a wasteful number, since it uses less digits than its factorization.

424243984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449478 (or 449472 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 424243984 is about 20597.1838851820. The cubic root of 424243984 is about 751.4012228394.

The spelling of 424243984 in words is "four hundred twenty-four million, two hundred forty-three thousand, nine hundred eighty-four".