761988 has 12 divisors (see below), whose sum is σ = 1778000. Its totient is φ = 253992.

The previous prime is 761983. The next prime is 761993. The reversal of 761988 is 889167.

It is an interprime number because it is at equal distance from previous prime (761983) and next prime (761993).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (761983) by changing a digit.

761988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31738 + ... + 31761.

2⁷⁶¹⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

761988 is an abundant number, since it is smaller than the sum of its proper divisors (1016012).

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

761988 is a wasteful number, since it uses less digits than its factorization.

761988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63506 (or 63504 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 761988 is about 872.9192402508. The cubic root of 761988 is about 91.3375540463.

The spelling of 761988 in words is "seven hundred sixty-one thousand, nine hundred eighty-eight".