89381650 has 12 divisors (see below), whose sum is σ = 166249962. Its totient is φ = 35752640.

The previous prime is 89381647. The next prime is 89381659. The reversal of 89381650 is 5618398.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 87441201 + 1940449 = 9351^2 + 1393^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89381659) 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, 893767 + ... + 893866.

Almost surely, 2^89381650 is an apocalyptic number.

89381650 is a deficient number, since it is larger than the sum of its proper divisors (76868312).

89381650 is a wasteful number, since it uses less digits than its factorization.

89381650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787645 (or 1787640 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 89381650 is about 9454.1869031662. The cubic root of 89381650 is about 447.1117904932. Note that the first 3 decimals are identical.

The spelling of 89381650 in words is "eighty-nine million, three hundred eighty-one thousand, six hundred fifty".