89100890 has 8 divisors (see below), whose sum is σ = 160381620. Its totient is φ = 35640352.

The previous prime is 89100889. The next prime is 89100901. The reversal of 89100890 is 9800198.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84033889 + 5067001 = 9167^2 + 2251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89100890.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4455035 + ... + 4455054.

Almost surely, 2^89100890 is an apocalyptic number.

89100890 is a deficient number, since it is larger than the sum of its proper divisors (71280730).

89100890 is a wasteful number, since it uses less digits than its factorization.

89100890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8910096.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 89100890 is about 9439.3267768417. The cubic root of 89100890 is about 446.6431530158.

The spelling of 89100890 in words is "eighty-nine million, one hundred thousand, eight hundred ninety".