987392 has 72 divisors (see below), whose sum is σ = 2452800. Its totient is φ = 387072.

The previous prime is 987391. The next prime is 987433. The reversal of 987392 is 293789.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987392.

It is not an unprimeable number, because it can be changed into a prime (987391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34034 + ... + 34062.

2⁹⁸⁷³⁹² 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 987392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226400).

987392 is an abundant number, since it is smaller than the sum of its proper divisors (1465408).

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

987392 is a wasteful number, since it uses less digits than its factorization.

987392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 57 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 987392 is about 993.6760035344. The cubic root of 987392 is about 99.5779546161.

The spelling of 987392 in words is "nine hundred eighty-seven thousand, three hundred ninety-two".