884491988 has 12 divisors (see below), whose sum is σ = 1548083040. Its totient is φ = 442182552.

The previous prime is 884491987. The next prime is 884492027. The reversal of 884491988 is 889194488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884491987) 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, 30683 + ... + 52061.

It is an arithmetic number, because the mean of its divisors is an integer number (129006920).

Almost surely, 2^884491988 is an apocalyptic number.

It is an amenable number.

884491988 is a deficient number, since it is larger than the sum of its proper divisors (663591052).

884491988 is a wasteful number, since it uses less digits than its factorization.

884491988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31726 (or 31724 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 59.

The square root of 884491988 is about 29740.4100173484. The cubic root of 884491988 is about 959.9117352299.

The spelling of 884491988 in words is "eight hundred eighty-four million, four hundred ninety-one thousand, nine hundred eighty-eight".