89491626 has 48 divisors (see below), whose sum is σ = 222977664. Its totient is φ = 25409952.

The previous prime is 89491601. The next prime is 89491639. The reversal of 89491626 is 62619498.

It is a happy number.

It is a super-2 number, since 2×89491626² = 16017502248247752, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18916 + ... + 23168.

It is an arithmetic number, because the mean of its divisors is an integer number (4645368).

Almost surely, 2^89491626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89491626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111488832).

89491626 is an abundant number, since it is smaller than the sum of its proper divisors (133486038).

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

89491626 is a wasteful number, since it uses less digits than its factorization.

89491626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435 (or 4432 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 89491626 is about 9460.0013742071. The cubic root of 89491626 is about 447.2950921478.

The spelling of 89491626 in words is "eighty-nine million, four hundred ninety-one thousand, six hundred twenty-six".