2842620 has 96 divisors (see below), whose sum is σ = 8951040. Its totient is φ = 668160.

The previous prime is 2842603. The next prime is 2842643. The reversal of 2842620 is 262482.

It is an Ulam number.

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, 38904 + ... + 38976.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

2^2842620 is an apocalyptic number.

2842620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2842620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4475520).

2842620 is an abundant number, since it is smaller than the sum of its proper divisors (6108420).

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

2842620 is a wasteful number, since it uses less digits than its factorization.

2842620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

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

The square root of 2842620 is about 1686.0071174227. The cubic root of 2842620 is about 141.6575095965.

Subtracting from 2842620 its sum of digits (24), we obtain a square (2842596 = 1686²).

The spelling of 2842620 in words is "two million, eight hundred forty-two thousand, six hundred twenty".