787992 has 16 divisors (see below), whose sum is σ = 1970040. Its totient is φ = 262656.

The previous prime is 787981. The next prime is 787993. The reversal of 787992 is 299787.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16393 + ... + 16440.

2⁷⁸⁷⁹⁹² is an apocalyptic number.

It is an amenable number.

787992 is an abundant number, since it is smaller than the sum of its proper divisors (1182048).

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

787992 is a wasteful number, since it uses less digits than its factorization.

787992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32842 (or 32838 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 787992 is about 887.6891347764. The cubic root of 787992 is about 92.3649648851.

The spelling of 787992 in words is "seven hundred eighty-seven thousand, nine hundred ninety-two".