905266 has 4 divisors (see below), whose sum is σ = 1357902. Its totient is φ = 452632.

The previous prime is 905249. The next prime is 905269. The reversal of 905266 is 662509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662509 = 241 ⋅2749.

It can be written as a sum of positive squares in only one way, i.e., 570025 + 335241 = 755^2 + 579^2 .

It is not an unprimeable number, because it can be changed into a prime (905269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226315 + ... + 226318.

2⁹⁰⁵²⁶⁶ is an apocalyptic number.

905266 is a deficient number, since it is larger than the sum of its proper divisors (452636).

905266 is a wasteful number, since it uses less digits than its factorization.

905266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452635.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 905266 is about 951.4546757466. The cubic root of 905266 is about 96.7368785718.

It can be divided in two parts, 90 and 5266, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 905266 in words is "nine hundred five thousand, two hundred sixty-six".