2794021 has 4 divisors (see below), whose sum is σ = 2799232. Its totient is φ = 2788812.

The previous prime is 2794019. The next prime is 2794031. The reversal of 2794021 is 1204972.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2794021 - 2¹ = 2794019 is a prime.

It is a Duffinian number.

2794021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2794031) 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, 1695 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (699808).

2^2794021 is an apocalyptic number.

It is an amenable number.

2794021 is a deficient number, since it is larger than the sum of its proper divisors (5211).

2794021 is an equidigital number, since it uses as much as digits as its factorization.

2794021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2794021 is about 1671.5325303445. The cubic root of 2794021 is about 140.8455798165.

Adding to 2794021 its reverse (1204972), we get a palindrome (3998993).

The spelling of 2794021 in words is "two million, seven hundred ninety-four thousand, twenty-one".