89949258 has 128 divisors (see below), whose sum is σ = 239984640. Its totient is φ = 24442560.

The previous prime is 89949221. The next prime is 89949283. The reversal of 89949258 is 85294998.

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

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1083685 + ... + 1083767.

It is an arithmetic number, because the mean of its divisors is an integer number (1874880).

Almost surely, 2^89949258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89949258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119992320).

89949258 is an abundant number, since it is smaller than the sum of its proper divisors (150035382).

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

89949258 is a wasteful number, since it uses less digits than its factorization.

89949258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 203 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 89949258 is about 9484.1582652337. The cubic root of 89949258 is about 448.0562382897.

The spelling of 89949258 in words is "eighty-nine million, nine hundred forty-nine thousand, two hundred fifty-eight".