424684624 has 120 divisors (see below), whose sum is σ = 1056265728. Its totient is φ = 160911360.

The previous prime is 424684609. The next prime is 424684639. The reversal of 424684624 is 426486424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (424684609) and next prime (424684639).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4378144 + ... + 4378240.

Almost surely, 2^424684624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424684624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528132864).

424684624 is an abundant number, since it is smaller than the sum of its proper divisors (631581104).

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

424684624 is a wasteful number, since it uses less digits than its factorization.

424684624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 150 counting only the distinct ones).

The product of its digits is 294912, while the sum is 40.

The square root of 424684624 is about 20607.8777170285. The cubic root of 424684624 is about 751.6612798524.

The spelling of 424684624 in words is "four hundred twenty-four million, six hundred eighty-four thousand, six hundred twenty-four".