2820274 has 8 divisors (see below), whose sum is σ = 4299948. Its totient is φ = 1386960.

The previous prime is 2820271. The next prime is 2820313. The reversal of 2820274 is 4720282.

It can be written as a sum of positive squares in 2 ways, for example, as 1703025 + 1117249 = 1305^2 + 1057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2820271) 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, 11437 + ... + 11680.

2^2820274 is an apocalyptic number.

2820274 is a deficient number, since it is larger than the sum of its proper divisors (1479674).

2820274 is a wasteful number, since it uses less digits than its factorization.

2820274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23180.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2820274 is about 1679.3671427058. The cubic root of 2820274 is about 141.2853400492.

It can be divided in two parts, 28 and 20274, that added together give a palindrome (20302).

The spelling of 2820274 in words is "two million, eight hundred twenty thousand, two hundred seventy-four".