216754794 has 48 divisors (see below), whose sum is σ = 499217472. Its totient is φ = 67734144.

The previous prime is 216754763. The next prime is 216754799. The reversal of 216754794 is 497457612.

216754794 is a `hidden beast` number, since 2 + 16 + 7 + 547 + 94 = 666.

It is not an unprimeable number, because it can be changed into a prime (216754799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85347 + ... + 87849.

It is an arithmetic number, because the mean of its divisors is an integer number (10400364).

Almost surely, 2^216754794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216754794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249608736).

216754794 is an abundant number, since it is smaller than the sum of its proper divisors (282462678).

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

216754794 is a wasteful number, since it uses less digits than its factorization.

216754794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811 (or 2808 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 216754794 is about 14722.5946762111. The cubic root of 216754794 is about 600.6980708468.

The spelling of 216754794 in words is "two hundred sixteen million, seven hundred fifty-four thousand, seven hundred ninety-four".