2783274 has 32 divisors (see below), whose sum is σ = 6350400. Its totient is φ = 805632.

The previous prime is 2783267. The next prime is 2783281. The reversal of 2783274 is 4723872.

It is an interprime number because it is at equal distance from previous prime (2783267) and next prime (2783281).

It is a super-2 number, since 2×2783274² = 15493228318152, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (198450).

2^2783274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2783274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3175200).

2783274 is an abundant number, since it is smaller than the sum of its proper divisors (3567126).

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

2783274 is a wasteful number, since it uses less digits than its factorization.

2783274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134.

The product of its digits is 18816, while the sum is 33.

The square root of 2783274 is about 1668.3147185109. The cubic root of 2783274 is about 140.6647636688.

The spelling of 2783274 in words is "two million, seven hundred eighty-three thousand, two hundred seventy-four".