89251390 has 16 divisors (see below), whose sum is σ = 161827632. Its totient is φ = 35439424.

The previous prime is 89251381. The next prime is 89251391. The reversal of 89251390 is 9315298.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89251391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31204 + ... + 33943.

It is an arithmetic number, because the mean of its divisors is an integer number (10114227).

Almost surely, 2^89251390 is an apocalyptic number.

89251390 is a deficient number, since it is larger than the sum of its proper divisors (72576242).

89251390 is a wasteful number, since it uses less digits than its factorization.

89251390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65291.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 89251390 is about 9447.2953801604. The cubic root of 89251390 is about 446.8944860201.

The spelling of 89251390 in words is "eighty-nine million, two hundred fifty-one thousand, three hundred ninety".