898861664 has 24 divisors (see below), whose sum is σ = 1785301560. Its totient is φ = 445451776.

The previous prime is 898861651. The next prime is 898861679. The reversal of 898861664 is 466168898.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120674 + ... + 127905.

It is an arithmetic number, because the mean of its divisors is an integer number (74387565).

Almost surely, 2^898861664 is an apocalyptic number.

It is an amenable number.

898861664 is a deficient number, since it is larger than the sum of its proper divisors (886439896).

898861664 is a wasteful number, since it uses less digits than its factorization.

898861664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248702 (or 248694 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The square root of 898861664 is about 29981.0217304214. The cubic root of 898861664 is about 965.0821568217.

The spelling of 898861664 in words is "eight hundred ninety-eight million, eight hundred sixty-one thousand, six hundred sixty-four".