89836090 has 16 divisors (see below), whose sum is σ = 162174600. Its totient is φ = 35830080.

The previous prime is 89836081. The next prime is 89836093. The reversal of 89836090 is 9063898.

It can be written as a sum of positive squares in 4 ways, for example, as 85026841 + 4809249 = 9221^2 + 2193^2 .

It is not an unprimeable number, because it can be changed into a prime (89836093) 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, 9381 + ... + 16360.

Almost surely, 2^89836090 is an apocalyptic number.

89836090 is a deficient number, since it is larger than the sum of its proper divisors (72338510).

89836090 is a wasteful number, since it uses less digits than its factorization.

89836090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26097.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 89836090 is about 9478.1902280973. The cubic root of 89836090 is about 447.8682548675.

The spelling of 89836090 in words is "eighty-nine million, eight hundred thirty-six thousand, ninety".