999424252 has 24 divisors (see below), whose sum is σ = 1814809472. Its totient is φ = 481075200.

The previous prime is 999424219. The next prime is 999424253. The reversal of 999424252 is 252424999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999424253) 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, 3052 + ... + 44812.

Almost surely, 2^999424252 is an apocalyptic number.

It is an amenable number.

999424252 is a deficient number, since it is larger than the sum of its proper divisors (815385220).

999424252 is a wasteful number, since it uses less digits than its factorization.

999424252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41989 (or 41987 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 999424252 is about 31613.6719158025. The cubic root of 999424252 is about 999.8080471565.

The spelling of 999424252 in words is "nine hundred ninety-nine million, four hundred twenty-four thousand, two hundred fifty-two".