2803242 has 32 divisors (see below), whose sum is σ = 6124608. Its totient is φ = 850176.

The previous prime is 2803201. The next prime is 2803253. The reversal of 2803242 is 2423082.

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, 6258 + ... + 6690.

It is an arithmetic number, because the mean of its divisors is an integer number (191394).

2^2803242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2803242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3062304).

2803242 is an abundant number, since it is smaller than the sum of its proper divisors (3321366).

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

2803242 is a wasteful number, since it uses less digits than its factorization.

2803242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2803242 is about 1674.2885056047. The cubic root of 2803242 is about 141.0003520941. Note that the first 3 decimals are identical.

Subtracting from 2803242 its sum of digits (21), we obtain a cube (2803221 = 141³).

The spelling of 2803242 in words is "two million, eight hundred three thousand, two hundred forty-two".