898721846 has 8 divisors (see below), whose sum is σ = 1470635784. Its totient is φ = 408509920.

The previous prime is 898721843. The next prime is 898721867. The reversal of 898721846 is 648127898.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898721843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20425475 + ... + 20425518.

It is an arithmetic number, because the mean of its divisors is an integer number (183829473).

Almost surely, 2^898721846 is an apocalyptic number.

898721846 is a deficient number, since it is larger than the sum of its proper divisors (571913938).

898721846 is a wasteful number, since it uses less digits than its factorization.

898721846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40851006.

The product of its digits is 1548288, while the sum is 53.

The square root of 898721846 is about 29978.6898646355. The cubic root of 898721846 is about 965.0321146927.

The spelling of 898721846 in words is "eight hundred ninety-eight million, seven hundred twenty-one thousand, eight hundred forty-six".