89930 has 24 divisors (see below), whose sum is σ = 179172. Its totient is φ = 32384.

The previous prime is 89923. The next prime is 89939. The reversal of 89930 is 3998.

89930 = 81² + 82² + ... + 92².

It can be written as a sum of positive squares in 2 ways, for example, as 89401 + 529 = 299^2 + 23^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89893 and 89902.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89930.

It is not an unprimeable number, because it can be changed into a prime (89939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3899 + ... + 3921.

2⁸⁹⁹³⁰ is an apocalyptic number.

89930 is a deficient number, since it is larger than the sum of its proper divisors (89242).

89930 is a wasteful number, since it uses less digits than its factorization.

89930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 89930 is about 299.8833106393. The cubic root of 89930 is about 44.8024259953.

It can be divided in two parts, 899 and 30, that added together give a palindrome (929).

The spelling of 89930 in words is "eighty-nine thousand, nine hundred thirty".