2567996 has 24 divisors (see below), whose sum is σ = 4752384. Its totient is φ = 1211760.

The previous prime is 2567987. The next prime is 2568001. The reversal of 2567996 is 6997652.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9341 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (198016).

2^2567996 is an apocalyptic number.

It is an amenable number.

2567996 is a deficient number, since it is larger than the sum of its proper divisors (2184388).

2567996 is a wasteful number, since it uses less digits than its factorization.

2567996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 399 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 2567996 is about 1602.4968018689. The cubic root of 2567996 is about 136.9403544505.

The spelling of 2567996 in words is "two million, five hundred sixty-seven thousand, nine hundred ninety-six".