2790442 has 16 divisors (see below), whose sum is σ = 4352832. Its totient is φ = 1340640.

The previous prime is 2790421. The next prime is 2790449. The reversal of 2790442 is 2440972.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 2790442.

It is not an unprimeable number, because it can be changed into a prime (2790449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5878 + ... + 6334.

It is an arithmetic number, because the mean of its divisors is an integer number (272052).

2^2790442 is an apocalyptic number.

2790442 is a deficient number, since it is larger than the sum of its proper divisors (1562390).

2790442 is a wasteful number, since it uses less digits than its factorization.

2790442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2790442 is about 1670.4616128484. The cubic root of 2790442 is about 140.7854154250.

The spelling of 2790442 in words is "two million, seven hundred ninety thousand, four hundred forty-two".