2672891 has 4 divisors (see below), whose sum is σ = 2878512. Its totient is φ = 2467272.

The previous prime is 2672881. The next prime is 2672903. The reversal of 2672891 is 1982762.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1982762 = 2 ⋅991381.

It is a cyclic number.

It is not a de Polignac number, because 2672891 - 2¹⁸ = 2410747 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2672821) 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, 102791 + ... + 102816.

It is an arithmetic number, because the mean of its divisors is an integer number (719628).

2^2672891 is an apocalyptic number.

2672891 is a deficient number, since it is larger than the sum of its proper divisors (205621).

2672891 is a wasteful number, since it uses less digits than its factorization.

2672891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205620.

The product of its digits is 12096, while the sum is 35.

The square root of 2672891 is about 1634.8978561366. The cubic root of 2672891 is about 138.7800638260.

The spelling of 2672891 in words is "two million, six hundred seventy-two thousand, eight hundred ninety-one".