89025090 has 128 divisors (see below), whose sum is σ = 282175488. Its totient is φ = 17402880.

The previous prime is 89025077. The next prime is 89025091. The reversal of 89025090 is 9052098.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89025091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38137 + ... + 40403.

It is an arithmetic number, because the mean of its divisors is an integer number (2204496).

Almost surely, 2^89025090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89025090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141087744).

89025090 is an abundant number, since it is smaller than the sum of its proper divisors (193150398).

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

89025090 is a wasteful number, since it uses less digits than its factorization.

89025090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 89025090 is about 9435.3108056916. The cubic root of 89025090 is about 446.5164608429.

The spelling of 89025090 in words is "eighty-nine million, twenty-five thousand, ninety".