266384946 has 8 divisors (see below), whose sum is σ = 532769904. Its totient is φ = 88794980.

The previous prime is 266384903. The next prime is 266384947. The reversal of 266384946 is 649483662.

It is a sphenic number, since it is the product of 3 distinct primes.

266384946 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 266384895 and 266384904.

It is not an unprimeable number, because it can be changed into a prime (266384947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22198740 + ... + 22198751.

It is an arithmetic number, because the mean of its divisors is an integer number (66596238).

Almost surely, 2^266384946 is an apocalyptic number.

266384946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

266384946 is a wasteful number, since it uses less digits than its factorization.

266384946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44397496.

The product of its digits is 1492992, while the sum is 48.

The square root of 266384946 is about 16321.3034405957. The cubic root of 266384946 is about 643.4328446089.

The spelling of 266384946 in words is "two hundred sixty-six million, three hundred eighty-four thousand, nine hundred forty-six".