216793260 has 120 divisors (see below), whose sum is σ = 685094256. Its totient is φ = 57386880.

The previous prime is 216793259. The next prime is 216793303. The reversal of 216793260 is 62397612.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 263650 + ... + 264470.

Almost surely, 2^216793260 is an apocalyptic number.

216793260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216793260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342547128).

216793260 is an abundant number, since it is smaller than the sum of its proper divisors (468300996).

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

216793260 is a wasteful number, since it uses less digits than its factorization.

216793260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 216793260 is about 14723.9009776621. The cubic root of 216793260 is about 600.7336026796.

The spelling of 216793260 in words is "two hundred sixteen million, seven hundred ninety-three thousand, two hundred sixty".