88491986 has 32 divisors (see below), whose sum is σ = 148127616. Its totient is φ = 39312000.

The previous prime is 88491967. The next prime is 88492009. The reversal of 88491986 is 68919488.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282566 + ... + 282878.

It is an arithmetic number, because the mean of its divisors is an integer number (4628988).

Almost surely, 2^88491986 is an apocalyptic number.

88491986 is a deficient number, since it is larger than the sum of its proper divisors (59635630).

88491986 is a wasteful number, since it uses less digits than its factorization.

88491986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578.

The product of its digits is 995328, while the sum is 53.

The square root of 88491986 is about 9407.0179121760. The cubic root of 88491986 is about 445.6233925890.

The spelling of 88491986 in words is "eighty-eight million, four hundred ninety-one thousand, nine hundred eighty-six".