88491654 has 12 divisors (see below), whose sum is σ = 191731956. Its totient is φ = 29497212.

The previous prime is 88491643. The next prime is 88491659. The reversal of 88491654 is 45619488.

88491654 = 4702² + 4703² + ... + 4705².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88491659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2458084 + ... + 2458119.

It is an arithmetic number, because the mean of its divisors is an integer number (15977663).

Almost surely, 2^88491654 is an apocalyptic number.

88491654 is an abundant number, since it is smaller than the sum of its proper divisors (103240302).

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

88491654 is a wasteful number, since it uses less digits than its factorization.

88491654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916211 (or 4916208 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 88491654 is about 9407.0002657595. Note that the first 3 decimals coincide. The cubic root of 88491654 is about 445.6228352987.

The spelling of 88491654 in words is "eighty-eight million, four hundred ninety-one thousand, six hundred fifty-four".