264849194 has 4 divisors (see below), whose sum is σ = 397273794. Its totient is φ = 132424596.

The previous prime is 264849187. The next prime is 264849197. The reversal of 264849194 is 491948462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491948462 = 2 ⋅245974231.

It can be written as a sum of positive squares in only one way, i.e., 256800625 + 8048569 = 16025^2 + 2837^2 .

It is not an unprimeable number, because it can be changed into a prime (264849197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66212297 + ... + 66212300.

Almost surely, 2^264849194 is an apocalyptic number.

264849194 is a deficient number, since it is larger than the sum of its proper divisors (132424600).

264849194 is a wasteful number, since it uses less digits than its factorization.

264849194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132424599.

The product of its digits is 497664, while the sum is 47.

The square root of 264849194 is about 16274.1879674532. The cubic root of 264849194 is about 642.1939628671.

The spelling of 264849194 in words is "two hundred sixty-four million, eight hundred forty-nine thousand, one hundred ninety-four".