898102644 has 48 divisors (see below), whose sum is σ = 2149475328. Its totient is φ = 291701088.

The previous prime is 898102637. The next prime is 898102679. The reversal of 898102644 is 446201898.

It is a junction number, because it is equal to n+sod(n) for n = 898102596 and 898102605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239109 + ... + 242835.

It is an arithmetic number, because the mean of its divisors is an integer number (44780736).

Almost surely, 2^898102644 is an apocalyptic number.

It is an amenable number.

898102644 is an abundant number, since it is smaller than the sum of its proper divisors (1251372684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898102644 is a wasteful number, since it uses less digits than its factorization.

898102644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244 (or 4242 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 898102644 is about 29968.3607159284. The cubic root of 898102644 is about 964.8104342755.

The spelling of 898102644 in words is "eight hundred ninety-eight million, one hundred two thousand, six hundred forty-four".