987161932 has 12 divisors (see below), whose sum is σ = 1802643696. Its totient is φ = 472120880.

The previous prime is 987161869. The next prime is 987161939. The reversal of 987161932 is 239161789.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (987161939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5364919 + ... + 5365102.

It is an arithmetic number, because the mean of its divisors is an integer number (150220308).

Almost surely, 2^987161932 is an apocalyptic number.

987161932 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

987161932 is a deficient number, since it is larger than the sum of its proper divisors (815481764).

987161932 is a wasteful number, since it uses less digits than its factorization.

987161932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730048 (or 10730046 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 987161932 is about 31419.1332152878. The cubic root of 987161932 is about 995.7021993714.

The spelling of 987161932 in words is "nine hundred eighty-seven million, one hundred sixty-one thousand, nine hundred thirty-two".