2926561 has 4 divisors (see below), whose sum is σ = 3192624. Its totient is φ = 2660500.

The previous prime is 2926559. The next prime is 2926571. The reversal of 2926561 is 1656292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2926561 - 2¹ = 2926559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2926571) 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, 133015 + ... + 133036.

It is an arithmetic number, because the mean of its divisors is an integer number (798156).

2^2926561 is an apocalyptic number.

It is an amenable number.

2926561 is a deficient number, since it is larger than the sum of its proper divisors (266063).

2926561 is a wasteful number, since it uses less digits than its factorization.

2926561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266062.

The product of its digits is 6480, while the sum is 31.

The square root of 2926561 is about 1710.7194393003. The cubic root of 2926561 is about 143.0383615926.

The spelling of 2926561 in words is "two million, nine hundred twenty-six thousand, five hundred sixty-one".