264634946 has 4 divisors (see below), whose sum is σ = 396952422. Its totient is φ = 132317472.

The previous prime is 264634939. The next prime is 264634949. The reversal of 264634946 is 649436462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 204804721 + 59830225 = 14311^2 + 7735^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 264634897 and 264634906.

It is not an unprimeable number, because it can be changed into a prime (264634949) by changing a digit.

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 as a sum of consecutive naturals, namely, 66158735 + ... + 66158738.

Almost surely, 2^264634946 is an apocalyptic number.

264634946 is a deficient number, since it is larger than the sum of its proper divisors (132317476).

264634946 is a wasteful number, since it uses less digits than its factorization.

264634946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132317475.

The product of its digits is 746496, while the sum is 44.

The square root of 264634946 is about 16267.6041874641. The cubic root of 264634946 is about 642.0207499690.

The spelling of 264634946 in words is "two hundred sixty-four million, six hundred thirty-four thousand, nine hundred forty-six".