2820246 has 64 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 743040.

The previous prime is 2820239. The next prime is 2820263. The reversal of 2820246 is 6420282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16216 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (109620).

2^2820246 is an apocalyptic number.

2820246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2820246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507840).

2820246 is an abundant number, since it is smaller than the sum of its proper divisors (4195434).

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

2820246 is a wasteful number, since it uses less digits than its factorization.

2820246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2820246 is about 1679.3588062115. The cubic root of 2820246 is about 141.2848724820.

The spelling of 2820246 in words is "two million, eight hundred twenty thousand, two hundred forty-six".