2669791 has 4 divisors (see below), whose sum is σ = 2674432. Its totient is φ = 2665152.

The previous prime is 2669789. The next prime is 2669801. The reversal of 2669791 is 1979662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1979662 = 2 ⋅989831.

It is a cyclic number.

It is not a de Polignac number, because 2669791 - 2¹ = 2669789 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669591) 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, 1311 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (668608).

2^2669791 is an apocalyptic number.

2669791 is a deficient number, since it is larger than the sum of its proper divisors (4641).

2669791 is an equidigital number, since it uses as much as digits as its factorization.

2669791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640.

The product of its digits is 40824, while the sum is 40.

The square root of 2669791 is about 1633.9495096238. The cubic root of 2669791 is about 138.7263910267.

The spelling of 2669791 in words is "two million, six hundred sixty-nine thousand, seven hundred ninety-one".