2750990 has 32 divisors (see below), whose sum is σ = 5482080. Its totient is φ = 985600.

The previous prime is 2750989. The next prime is 2750999. The reversal of 2750990 is 990572.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9650 + ... + 9930.

It is an arithmetic number, because the mean of its divisors is an integer number (171315).

2^2750990 is an apocalyptic number.

2750990 is a deficient number, since it is larger than the sum of its proper divisors (2731090).

2750990 is a wasteful number, since it uses less digits than its factorization.

2750990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 2750990 is about 1658.6108645490. The cubic root of 2750990 is about 140.1187767517.

It can be divided in two parts, 2750 and 990, that multiplied together give a square (2722500 = 1650²).

The spelling of 2750990 in words is "two million, seven hundred fifty thousand, nine hundred ninety".