8651632 has 20 divisors (see below), whose sum is σ = 18286776. Its totient is φ = 3932480.

The previous prime is 8651627. The next prime is 8651639. The reversal of 8651632 is 2361568.

It is a junction number, because it is equal to n+sod(n) for n = 8651594 and 8651603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8651639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24403 + ... + 24754.

Almost surely, 2^8651632 is an apocalyptic number.

It is an amenable number.

8651632 is an abundant number, since it is smaller than the sum of its proper divisors (9635144).

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

8651632 is a wasteful number, since it uses less digits than its factorization.

8651632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49176 (or 49170 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 8651632 is about 2941.3656692088. The cubic root of 8651632 is about 205.2891576787.

Subtracting from 8651632 its reverse (2361568), we obtain a square (6290064 = 2508²).

The spelling of 8651632 in words is "eight million, six hundred fifty-one thousand, six hundred thirty-two".