87896340 has 240 divisors, whose sum is σ = 329801472. Its totient is φ = 19160064.

The previous prime is 87896321. The next prime is 87896353. The reversal of 87896340 is 4369878.

It is a happy number.

87896340 is a `hidden beast` number, since 8 + 7 + 8 + 9 + 634 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 260652 + ... + 260988.

Almost surely, 2^87896340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87896340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164900736).

87896340 is an abundant number, since it is smaller than the sum of its proper divisors (241905132).

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

87896340 is a wasteful number, since it uses less digits than its factorization.

87896340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 87896340 is about 9375.3047950453. The cubic root of 87896340 is about 444.6212996620.

It can be divided in two parts, 8789 and 6340, that added together give a square (15129 = 123²).

The spelling of 87896340 in words is "eighty-seven million, eight hundred ninety-six thousand, three hundred forty".