8624642 has 16 divisors (see below), whose sum is σ = 14142912. Its totient is φ = 3920400.

The previous prime is 8624633. The next prime is 8624669. The reversal of 8624642 is 2464268.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8624599 and 8624608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 4217.

It is an arithmetic number, because the mean of its divisors is an integer number (883932).

Almost surely, 2^8624642 is an apocalyptic number.

8624642 is a deficient number, since it is larger than the sum of its proper divisors (5518270).

8624642 is a wasteful number, since it uses less digits than its factorization.

8624642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033.

The product of its digits is 18432, while the sum is 32.

The square root of 8624642 is about 2936.7740805176. The cubic root of 8624642 is about 205.0754590341.

The spelling of 8624642 in words is "eight million, six hundred twenty-four thousand, six hundred forty-two".