898972620 has 288 divisors, whose sum is σ = 3232551168. Its totient is φ = 184923648.

The previous prime is 898972603. The next prime is 898972639. The reversal of 898972620 is 26279898.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1643187 + ... + 1643733.

It is an arithmetic number, because the mean of its divisors is an integer number (11224136).

Almost surely, 2^898972620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898972620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616275584).

898972620 is an abundant number, since it is smaller than the sum of its proper divisors (2333578548).

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

898972620 is a wasteful number, since it uses less digits than its factorization.

898972620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 898972620 is about 29982.8721105901. The cubic root of 898972620 is about 965.1218652864.

The spelling of 898972620 in words is "eight hundred ninety-eight million, nine hundred seventy-two thousand, six hundred twenty".