2256946 has 8 divisors (see below), whose sum is σ = 3419244. Its totient is φ = 1117200.

The previous prime is 2256931. The next prime is 2256959. The reversal of 2256946 is 6496522.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 168921 = 1445^2 + 411^2 .

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 2¹⁵ + 2¹⁹ + 5⁵ + 6² + 9³ + 4⁷ + 6⁸ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5385 + ... + 5788.

2^2256946 is an apocalyptic number.

2256946 is a deficient number, since it is larger than the sum of its proper divisors (1162298).

2256946 is a wasteful number, since it uses less digits than its factorization.

2256946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276.

The product of its digits is 25920, while the sum is 34.

The square root of 2256946 is about 1502.3135491634. The cubic root of 2256946 is about 131.1717731885.

The spelling of 2256946 in words is "two million, two hundred fifty-six thousand, nine hundred forty-six".