87026940 has 576 divisors, whose sum is σ = 386104320. Its totient is φ = 15966720.

The previous prime is 87026909. The next prime is 87026983. The reversal of 87026940 is 4962078.

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

It is a junction number, because it is equal to n+sod(n) for n = 87026895 and 87026904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3783769 + ... + 3783791.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 2^87026940 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 87026940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193052160).

87026940 is an abundant number, since it is smaller than the sum of its proper divisors (299077380).

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

87026940 is a wasteful number, since it uses less digits than its factorization.

87026940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 87026940 is about 9328.8230768945. The cubic root of 87026940 is about 443.1504940098.

The spelling of 87026940 in words is "eighty-seven million, twenty-six thousand, nine hundred forty".