2750842 has 4 divisors (see below), whose sum is σ = 4126266. Its totient is φ = 1375420.

The previous prime is 2750831. The next prime is 2750851. The reversal of 2750842 is 2480572.

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

It can be written as a sum of positive squares in only one way, i.e., 2627641 + 123201 = 1621^2 + 351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2750842.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687709 + ... + 687712.

2^2750842 is an apocalyptic number.

2750842 is a deficient number, since it is larger than the sum of its proper divisors (1375424).

2750842 is a wasteful number, since it uses less digits than its factorization.

2750842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375423.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2750842 is about 1658.5662483000. The cubic root of 2750842 is about 140.1162639653.

The spelling of 2750842 in words is "two million, seven hundred fifty thousand, eight hundred forty-two".