2743887 has 4 divisors (see below), whose sum is σ = 3658520. Its totient is φ = 1829256.

The previous prime is 2743861. The next prime is 2743901. The reversal of 2743887 is 7883472.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2743887 - 2⁶ = 2743823 is a prime.

It is a D-number.

It is a Duffinian number.

2743887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743387) 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, 457312 + ... + 457317.

It is an arithmetic number, because the mean of its divisors is an integer number (914630).

2^2743887 is an apocalyptic number.

2743887 is a deficient number, since it is larger than the sum of its proper divisors (914633).

2743887 is an equidigital number, since it uses as much as digits as its factorization.

2743887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914632.

The product of its digits is 75264, while the sum is 39.

The square root of 2743887 is about 1656.4682309057. The cubic root of 2743887 is about 139.9980782049.

The spelling of 2743887 in words is "two million, seven hundred forty-three thousand, eight hundred eighty-seven".