766998 has 12 divisors (see below), whose sum is σ = 1661868. Its totient is φ = 255660.

The previous prime is 766967. The next prime is 766999. The reversal of 766998 is 899667.

766998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766999) by changing a digit.

766998 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 in 5 ways as a sum of consecutive naturals, for example, 21288 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (138489).

2⁷⁶⁶⁹⁹⁸ is an apocalyptic number.

766998 is an abundant number, since it is smaller than the sum of its proper divisors (894870).

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

766998 is a wasteful number, since it uses less digits than its factorization.

766998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42619 (or 42616 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 766998 is about 875.7842199994. The cubic root of 766998 is about 91.5372955550.

It can be divided in two parts, 766 and 998, that added together give a square (1764 = 42²).

The spelling of 766998 in words is "seven hundred sixty-six thousand, nine hundred ninety-eight".