89821802 has 24 divisors (see below), whose sum is σ = 157719456. Its totient is φ = 38252088.

The previous prime is 89821799. The next prime is 89821807. The reversal of 89821802 is 20812898.

It is a super-2 number, since 2×89821802² = 16135912229054408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89821807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13163 + ... + 18785.

It is an arithmetic number, because the mean of its divisors is an integer number (6571644).

Almost surely, 2^89821802 is an apocalyptic number.

89821802 is a deficient number, since it is larger than the sum of its proper divisors (67897654).

89821802 is a wasteful number, since it uses less digits than its factorization.

89821802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802 (or 5795 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 89821802 is about 9477.4364677375. The cubic root of 89821802 is about 447.8445098414.

The spelling of 89821802 in words is "eighty-nine million, eight hundred twenty-one thousand, eight hundred two".