266894034 has 64 divisors (see below), whose sum is σ = 600652800. Its totient is φ = 78361920.

The previous prime is 266894003. The next prime is 266894071. The reversal of 266894034 is 430498662.

It is a happy number.

266894034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445267 + ... + 445865.

It is an arithmetic number, because the mean of its divisors is an integer number (9385200).

Almost surely, 2^266894034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266894034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300326400).

266894034 is an abundant number, since it is smaller than the sum of its proper divisors (333758766).

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

266894034 is a wasteful number, since it uses less digits than its factorization.

266894034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 266894034 is about 16336.8918096436. The cubic root of 266894034 is about 643.8424717258.

The spelling of 266894034 in words is "two hundred sixty-six million, eight hundred ninety-four thousand, thirty-four".