266234394 has 16 divisors (see below), whose sum is σ = 532717632. Its totient is φ = 88703328.

The previous prime is 266234393. The next prime is 266234447. The reversal of 266234394 is 493432662.

It is not an unprimeable number, because it can be changed into a prime (266234393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5382 + ... + 23694.

It is an arithmetic number, because the mean of its divisors is an integer number (33294852).

Almost surely, 2^266234394 is an apocalyptic number.

266234394 is an abundant number, since it is smaller than the sum of its proper divisors (266483238).

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

266234394 is a wasteful number, since it uses less digits than its factorization.

266234394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20741.

The product of its digits is 186624, while the sum is 39.

The square root of 266234394 is about 16316.6906571155. The cubic root of 266234394 is about 643.3116060804.

The spelling of 266234394 in words is "two hundred sixty-six million, two hundred thirty-four thousand, three hundred ninety-four".