87646032 has 30 divisors (see below), whose sum is σ = 245287562. Its totient is φ = 29215296.

The previous prime is 87646003. The next prime is 87646037. The reversal of 87646032 is 23064678.

87646032 is a `hidden beast` number, since 8 + 7 + 646 + 0 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78428736 + 9217296 = 8856^2 + 3036^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87646037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 304183 + ... + 304470.

Almost surely, 2^87646032 is an apocalyptic number.

It is an amenable number.

87646032 is an abundant number, since it is smaller than the sum of its proper divisors (157641530).

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

87646032 is a wasteful number, since it uses less digits than its factorization.

87646032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608667 (or 608658 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 87646032 is about 9361.9459515637. The cubic root of 87646032 is about 444.1988395974.

The spelling of 87646032 in words is "eighty-seven million, six hundred forty-six thousand, thirty-two".