2966591 has 4 divisors (see below), whose sum is σ = 2970072. Its totient is φ = 2963112.

The previous prime is 2966581. The next prime is 2966597. The reversal of 2966591 is 1956692.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2966591 - 2¹⁸ = 2704447 is a prime.

It is a super-2 number, since 2×2966591² = 17601324322562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2966597) 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, 500 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (742518).

2^2966591 is an apocalyptic number.

2966591 is a deficient number, since it is larger than the sum of its proper divisors (3481).

2966591 is a wasteful number, since it uses less digits than its factorization.

2966591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480.

The product of its digits is 29160, while the sum is 38.

The square root of 2966591 is about 1722.3794587721. The cubic root of 2966591 is about 143.6875781910.

The spelling of 2966591 in words is "two million, nine hundred sixty-six thousand, five hundred ninety-one".