747988 has 12 divisors (see below), whose sum is σ = 1328992. Its totient is φ = 368280.

The previous prime is 747979. The next prime is 747991. The reversal of 747988 is 889747.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128 + ... + 1663.

2⁷⁴⁷⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

747988 is a deficient number, since it is larger than the sum of its proper divisors (581004).

747988 is a wasteful number, since it uses less digits than its factorization.

747988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2860 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 747988 is about 864.8629949304. The cubic root of 747988 is about 90.7747114009.

The spelling of 747988 in words is "seven hundred forty-seven thousand, nine hundred eighty-eight".