89025989 has 6 divisors (see below), whose sum is σ = 96401106. Its totient is φ = 82177680.

The previous prime is 89025983. The next prime is 89026013. The reversal of 89025989 is 98952098.

It can be written as a sum of positive squares in 3 ways, for example, as 10349089 + 78676900 = 3217^2 + 8870^2 .

It is not a de Polignac number, because 89025989 - 2⁸ = 89025733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89025983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263222 + ... + 263559.

It is an arithmetic number, because the mean of its divisors is an integer number (16066851).

Almost surely, 2^89025989 is an apocalyptic number.

It is an amenable number.

89025989 is a deficient number, since it is larger than the sum of its proper divisors (7375117).

89025989 is a wasteful number, since it uses less digits than its factorization.

89025989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526807 (or 526794 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 89025989 is about 9435.3584457613. The cubic root of 89025989 is about 446.5179638535.

The spelling of 89025989 in words is "eighty-nine million, twenty-five thousand, nine hundred eighty-nine".