89863668 has 120 divisors (see below), whose sum is σ = 253693440. Its totient is φ = 27656640.

The previous prime is 89863607. The next prime is 89863687. The reversal of 89863668 is 86636898.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 230818 + ... + 231206.

It is an arithmetic number, because the mean of its divisors is an integer number (2114112).

Almost surely, 2^89863668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89863668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126846720).

89863668 is an abundant number, since it is smaller than the sum of its proper divisors (163829772).

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

89863668 is a wasteful number, since it uses less digits than its factorization.

89863668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 448 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 89863668 is about 9479.6449300594. The cubic root of 89863668 is about 447.9140792389.

It can be divided in two parts, 898636 and 68, that added together give a square (898704 = 948²).

The spelling of 89863668 in words is "eighty-nine million, eight hundred sixty-three thousand, six hundred sixty-eight".