601813880 has 32 divisors (see below), whose sum is σ = 1390681440. Its totient is φ = 234218880.

The previous prime is 601813879. The next prime is 601813907. The reversal of 601813880 is 88318106.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 601813880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201836 + ... + 204795.

It is an arithmetic number, because the mean of its divisors is an integer number (43458795).

Almost surely, 2^601813880 is an apocalyptic number.

It is an amenable number.

601813880 is an abundant number, since it is smaller than the sum of its proper divisors (788867560).

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

601813880 is a wasteful number, since it uses less digits than its factorization.

601813880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406679 (or 406675 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 601813880 is about 24531.8951571215. The cubic root of 601813880 is about 844.2817467152.

The spelling of 601813880 in words is "six hundred one million, eight hundred thirteen thousand, eight hundred eighty".