87633340 has 12 divisors (see below), whose sum is σ = 184030056. Its totient is φ = 35053328.

The previous prime is 87633313. The next prime is 87633341. The reversal of 87633340 is 4333678.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87633296 and 87633305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87633341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190814 + ... + 2190853.

It is an arithmetic number, because the mean of its divisors is an integer number (15335838).

Almost surely, 2^87633340 is an apocalyptic number.

It is an amenable number.

87633340 is an abundant number, since it is smaller than the sum of its proper divisors (96396716).

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

87633340 is a wasteful number, since it uses less digits than its factorization.

87633340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381676 (or 4381674 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 87633340 is about 9361.2680764948. The cubic root of 87633340 is about 444.1773971213.

The spelling of 87633340 in words is "eighty-seven million, six hundred thirty-three thousand, three hundred forty".