987832506 has 16 divisors (see below), whose sum is σ = 1982411424. Its totient is φ = 328153104.

The previous prime is 987832499. The next prime is 987832513. The reversal of 987832506 is 605238789.

It is an interprime number because it is at equal distance from previous prime (987832499) and next prime (987832513).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279196 + ... + 282711.

It is an arithmetic number, because the mean of its divisors is an integer number (123900714).

Almost surely, 2^987832506 is an apocalyptic number.

987832506 is an abundant number, since it is smaller than the sum of its proper divisors (994578918).

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

987832506 is a wasteful number, since it uses less digits than its factorization.

987832506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562205.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 987832506 is about 31429.8028310710. The cubic root of 987832506 is about 995.9276067929.

The spelling of 987832506 in words is "nine hundred eighty-seven million, eight hundred thirty-two thousand, five hundred six".