898609140 has 336 divisors, whose sum is σ = 3331673856. Its totient is φ = 200620800.

The previous prime is 898609133. The next prime is 898609147. The reversal of 898609140 is 41906898.

It is an interprime number because it is at equal distance from previous prime (898609133) and next prime (898609147).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898609147) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2084725 + ... + 2085155.

It is an arithmetic number, because the mean of its divisors is an integer number (9915696).

Almost surely, 2^898609140 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 898609140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665836928).

898609140 is an abundant number, since it is smaller than the sum of its proper divisors (2433064716).

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

898609140 is a wasteful number, since it uses less digits than its factorization.

898609140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 898609140 is about 29976.8100370937. The cubic root of 898609140 is about 964.9917724159.

The spelling of 898609140 in words is "eight hundred ninety-eight million, six hundred nine thousand, one hundred forty".