87843408 has 20 divisors (see below), whose sum is σ = 226928928. Its totient is φ = 29281120.

The previous prime is 87843391. The next prime is 87843449. The reversal of 87843408 is 80434878.

It is a self number, because there is not a number n which added to its sum of digits gives 87843408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914988 + ... + 915083.

Almost surely, 2^87843408 is an apocalyptic number.

It is an amenable number.

87843408 is an abundant number, since it is smaller than the sum of its proper divisors (139085520).

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

87843408 is a wasteful number, since it uses less digits than its factorization.

87843408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830082 (or 1830076 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 87843408 is about 9372.4814216940. The cubic root of 87843408 is about 444.5320300349.

The spelling of 87843408 in words is "eighty-seven million, eight hundred forty-three thousand, four hundred eight".