87340284 has 18 divisors (see below), whose sum is σ = 220776920. Its totient is φ = 29113416.

The previous prime is 87340277. The next prime is 87340301. The reversal of 87340284 is 48204378.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2426119 = 87340284 / (8 + 7 + 3 + 4 + 0 + 2 + 8 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1213024 + ... + 1213095.

Almost surely, 2^87340284 is an apocalyptic number.

It is an amenable number.

87340284 is an abundant number, since it is smaller than the sum of its proper divisors (133436636).

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

87340284 is a wasteful number, since it uses less digits than its factorization.

87340284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426129 (or 2426124 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 87340284 is about 9345.6023882894. The cubic root of 87340284 is about 443.6817173517.

The spelling of 87340284 in words is "eighty-seven million, three hundred forty thousand, two hundred eighty-four".