2742886 has 8 divisors (see below), whose sum is σ = 4122144. Its totient is φ = 1368840.

The previous prime is 2742881. The next prime is 2742889. The reversal of 2742886 is 6882472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742881) 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, 531 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (515268).

2^2742886 is an apocalyptic number.

2742886 is a deficient number, since it is larger than the sum of its proper divisors (1379258).

2742886 is a wasteful number, since it uses less digits than its factorization.

2742886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606.

The product of its digits is 43008, while the sum is 37.

The square root of 2742886 is about 1656.1660544764. The cubic root of 2742886 is about 139.9810518574.

It can be divided in two parts, 274 and 2886, that added together give a triangular number (3160 = T₇₉).

The spelling of 2742886 in words is "two million, seven hundred forty-two thousand, eight hundred eighty-six".