89240836 has 12 divisors (see below), whose sum is σ = 156567628. Its totient is φ = 44507232.

The previous prime is 89240819. The next prime is 89240843. The reversal of 89240836 is 63804298.

It can be written as a sum of positive squares in 2 ways, for example, as 21902400 + 67338436 = 4680^2 + 8206^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26511 + ... + 29686.

Almost surely, 2^89240836 is an apocalyptic number.

It is an amenable number.

89240836 is a deficient number, since it is larger than the sum of its proper divisors (67326792).

89240836 is a wasteful number, since it uses less digits than its factorization.

89240836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56598 (or 56596 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 89240836 is about 9446.7367910829. The cubic root of 89240836 is about 446.8768701961.

The spelling of 89240836 in words is "eighty-nine million, two hundred forty thousand, eight hundred thirty-six".