899218036 has 6 divisors (see below), whose sum is σ = 1573631570. Its totient is φ = 449609016.

The previous prime is 899218031. The next prime is 899218057. The reversal of 899218036 is 630812998.

It can be written as a sum of positive squares in only one way, i.e., 770395536 + 128822500 = 27756^2 + 11350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899218031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112402251 + ... + 112402258.

Almost surely, 2^899218036 is an apocalyptic number.

It is an amenable number.

899218036 is a deficient number, since it is larger than the sum of its proper divisors (674413534).

899218036 is a wasteful number, since it uses less digits than its factorization.

899218036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224804513 (or 224804511 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 899218036 is about 29986.9644345672. The cubic root of 899218036 is about 965.2096821239.

It can be divided in two parts, 8992 and 18036, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 899218036 in words is "eight hundred ninety-nine million, two hundred eighteen thousand, thirty-six".