87383420 has 48 divisors (see below), whose sum is σ = 191509248. Its totient is φ = 33454080.

The previous prime is 87383411. The next prime is 87383431. The reversal of 87383420 is 2438378.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59414 + ... + 60866.

It is an arithmetic number, because the mean of its divisors is an integer number (3989776).

Almost surely, 2^87383420 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 87383420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95754624).

87383420 is an abundant number, since it is smaller than the sum of its proper divisors (104125828).

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

87383420 is a wasteful number, since it uses less digits than its factorization.

87383420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 87383420 is about 9347.9099268232. The cubic root of 87383420 is about 443.7547478167.

The spelling of 87383420 in words is "eighty-seven million, three hundred eighty-three thousand, four hundred twenty".