2749284 has 18 divisors (see below), whose sum is σ = 6949670. Its totient is φ = 916416.

The previous prime is 2749283. The next prime is 2749289. The reversal of 2749284 is 4829472.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 675684 = 1440^2 + 822^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 76369 = 2749284 / (2 + 7 + 4 + 9 + 2 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38149 + ... + 38220.

2^2749284 is an apocalyptic number.

It is an amenable number.

2749284 is an abundant number, since it is smaller than the sum of its proper divisors (4200386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2749284 is a wasteful number, since it uses less digits than its factorization.

2749284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76379 (or 76374 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2749284 is about 1658.0964990012. The cubic root of 2749284 is about 140.0898063249.

The spelling of 2749284 in words is "two million, seven hundred forty-nine thousand, two hundred eighty-four".