89897824 has 12 divisors (see below), whose sum is σ = 176986404. Its totient is φ = 44948896.

The previous prime is 89897807. The next prime is 89897867. The reversal of 89897824 is 42879898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404622 + ... + 1404685.

It is an arithmetic number, because the mean of its divisors is an integer number (14748867).

Almost surely, 2^89897824 is an apocalyptic number.

It is an amenable number.

89897824 is a deficient number, since it is larger than the sum of its proper divisors (87088580).

89897824 is a wasteful number, since it uses less digits than its factorization.

89897824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809317 (or 2809309 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The square root of 89897824 is about 9481.4463031755. The cubic root of 89897824 is about 447.9708208036.

The spelling of 89897824 in words is "eighty-nine million, eight hundred ninety-seven thousand, eight hundred twenty-four".