1987932 has 24 divisors (see below), whose sum is σ = 4883200. Its totient is φ = 627696.

The previous prime is 1987919. The next prime is 1987939. The reversal of 1987932 is 2397891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1987939) 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, 4132 + ... + 4587.

2^1987932 is an apocalyptic number.

1987932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1987932 is an abundant number, since it is smaller than the sum of its proper divisors (2895268).

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

1987932 is a wasteful number, since it uses less digits than its factorization.

1987932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8745 (or 8743 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 1987932 is about 1409.9404242733. The cubic root of 1987932 is about 125.7381814572.

The spelling of 1987932 in words is "one million, nine hundred eighty-seven thousand, nine hundred thirty-two".