898644945 has 32 divisors (see below), whose sum is σ = 1598154624. Its totient is φ = 427481600.

The previous prime is 898644931. The next prime is 898644947. The reversal of 898644945 is 549446898.

898644945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 898644945 - 2⁸ = 898644689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (898644947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42636 + ... + 60125.

It is an arithmetic number, because the mean of its divisors is an integer number (49942332).

Almost surely, 2^898644945 is an apocalyptic number.

It is an amenable number.

898644945 is a deficient number, since it is larger than the sum of its proper divisors (699509679).

898644945 is a wasteful number, since it uses less digits than its factorization.

898644945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102833.

The product of its digits is 9953280, while the sum is 57.

The square root of 898644945 is about 29977.4072427887. The cubic root of 898644945 is about 965.0045889157.

The spelling of 898644945 in words is "eight hundred ninety-eight million, six hundred forty-four thousand, nine hundred forty-five".