899241998 has 4 divisors (see below), whose sum is σ = 1348863000. Its totient is φ = 449620998.

The previous prime is 899241991. The next prime is 899242031. The reversal of 899241998 is 899142998.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899241991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224810498 + ... + 224810501.

It is an arithmetic number, because the mean of its divisors is an integer number (337215750).

Almost surely, 2^899241998 is an apocalyptic number.

899241998 is a deficient number, since it is larger than the sum of its proper divisors (449621002).

899241998 is a wasteful number, since it uses less digits than its factorization.

899241998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449621001.

The product of its digits is 3359232, while the sum is 59.

The square root of 899241998 is about 29987.3639721800. The cubic root of 899241998 is about 965.2182555540.

The spelling of 899241998 in words is "eight hundred ninety-nine million, two hundred forty-one thousand, nine hundred ninety-eight".