89842820 has 24 divisors (see below), whose sum is σ = 188915328. Its totient is φ = 35890400.

The previous prime is 89842801. The next prime is 89842859. The reversal of 89842820 is 2824898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15755 + ... + 20685.

It is an arithmetic number, because the mean of its divisors is an integer number (7871472).

Almost surely, 2^89842820 is an apocalyptic number.

It is an amenable number.

89842820 is an abundant number, since it is smaller than the sum of its proper divisors (99072508).

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

89842820 is a wasteful number, since it uses less digits than its factorization.

89842820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851 (or 5849 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 89842820 is about 9478.5452470303. The cubic root of 89842820 is about 447.8794384875.

The spelling of 89842820 in words is "eighty-nine million, eight hundred forty-two thousand, eight hundred twenty".