89838810 has 48 divisors (see below), whose sum is σ = 241642440. Its totient is φ = 23130240.

The previous prime is 89838799. The next prime is 89838823. The reversal of 89838810 is 1883898.

It can be written as a sum of positive squares in 4 ways, for example, as 88228449 + 1610361 = 9393^2 + 1269^2 .

It is a super-2 number, since 2×89838810² = 16142023564432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14601 + ... + 19820.

Almost surely, 2^89838810 is an apocalyptic number.

89838810 is an abundant number, since it is smaller than the sum of its proper divisors (151803630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89838810 is a wasteful number, since it uses less digits than its factorization.

89838810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34463 (or 34460 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 89838810 is about 9478.3337143192. Note that the first 3 decimals coincide. The cubic root of 89838810 is about 447.8727749119.

The spelling of 89838810 in words is "eighty-nine million, eight hundred thirty-eight thousand, eight hundred ten".