264394 has 8 divisors (see below), whose sum is σ = 427140. Its totient is φ = 122016.

The previous prime is 264391. The next prime is 264403. The reversal of 264394 is 493462.

It can be written as a sum of positive squares in 2 ways, for example, as 263169 + 1225 = 513^2 + 35^2 .

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

It is a d-powerful number, because it can be written as 2⁵ + 6 + 3⁷ + 4² + 9 + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264391) 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, 5059 + ... + 5110.

2²⁶⁴³⁹⁴ is an apocalyptic number.

264394 is a deficient number, since it is larger than the sum of its proper divisors (162746).

264394 is a wasteful number, since it uses less digits than its factorization.

264394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184.

The product of its digits is 5184, while the sum is 28.

The square root of 264394 is about 514.1925709304. The cubic root of 264394 is about 64.1825840836.

It can be divided in two parts, 26 and 4394, that multiplied together give a square (114244 = 338²).

The spelling of 264394 in words is "two hundred sixty-four thousand, three hundred ninety-four".