601899860 has 96 divisors (see below), whose sum is σ = 1381847040. Its totient is φ = 219466368.

The previous prime is 601899847. The next prime is 601899869. The reversal of 601899860 is 68998106.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601899869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1196369 + ... + 1196871.

It is an arithmetic number, because the mean of its divisors is an integer number (14394240).

Almost surely, 2^601899860 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 601899860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690923520).

601899860 is an abundant number, since it is smaller than the sum of its proper divisors (779947180).

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

601899860 is a wasteful number, since it uses less digits than its factorization.

601899860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 601899860 is about 24533.6475070463. The cubic root of 601899860 is about 844.3219517743.

The spelling of 601899860 in words is "six hundred one million, eight hundred ninety-nine thousand, eight hundred sixty".