2568946 has 4 divisors (see below), whose sum is σ = 3853422. Its totient is φ = 1284472.

The previous prime is 2568941. The next prime is 2568953. The reversal of 2568946 is 6498652.

It is a happy number.

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., 1347921 + 1221025 = 1161^2 + 1105^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2568899 and 2568908.

It is not an unprimeable number, because it can be changed into a prime (2568941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642235 + ... + 642238.

2^2568946 is an apocalyptic number.

2568946 is a deficient number, since it is larger than the sum of its proper divisors (1284476).

2568946 is a wasteful number, since it uses less digits than its factorization.

2568946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284475.

The product of its digits is 103680, while the sum is 40.

The square root of 2568946 is about 1602.7931869084. The cubic root of 2568946 is about 136.9572388612.

The spelling of 2568946 in words is "two million, five hundred sixty-eight thousand, nine hundred forty-six".