260199786 has 64 divisors (see below), whose sum is σ = 654888960. Its totient is φ = 66951360.

The previous prime is 260199763. The next prime is 260199787. The reversal of 260199786 is 687991062.

260199786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (260199787) 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, 47775 + ... + 52941.

It is an arithmetic number, because the mean of its divisors is an integer number (10232640).

Almost surely, 2^260199786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260199786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327444480).

260199786 is an abundant number, since it is smaller than the sum of its proper divisors (394689174).

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

260199786 is a wasteful number, since it uses less digits than its factorization.

260199786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 260199786 is about 16130.7094078345. The cubic root of 260199786 is about 638.4138668777.

The spelling of 260199786 in words is "two hundred sixty million, one hundred ninety-nine thousand, seven hundred eighty-six".