2748887 has 4 divisors (see below), whose sum is σ = 2756520. Its totient is φ = 2741256.

The previous prime is 2748859. The next prime is 2748919. The reversal of 2748887 is 7888472.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2748887 - 2¹⁴ = 2732503 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748817) 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, 3248 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (689130).

2^2748887 is an apocalyptic number.

2748887 is a deficient number, since it is larger than the sum of its proper divisors (7633).

2748887 is an equidigital number, since it uses as much as digits as its factorization.

2748887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632.

The product of its digits is 200704, while the sum is 44.

The square root of 2748887 is about 1657.9767790895. The cubic root of 2748887 is about 140.0830629533.

The spelling of 2748887 in words is "two million, seven hundred forty-eight thousand, eight hundred eighty-seven".