766988 has 6 divisors (see below), whose sum is σ = 1342236. Its totient is φ = 383492.

The previous prime is 766967. The next prime is 766999. The reversal of 766988 is 889667.

It is an unprimeable number.

766988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95870 + ... + 95877.

It is an arithmetic number, because the mean of its divisors is an integer number (223706).

2⁷⁶⁶⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

766988 is a deficient number, since it is larger than the sum of its proper divisors (575248).

766988 is a wasteful number, since it uses less digits than its factorization.

766988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191751 (or 191749 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 766988 is about 875.7785108120. The cubic root of 766988 is about 91.5368977369.

The spelling of 766988 in words is "seven hundred sixty-six thousand, nine hundred eighty-eight".