2791004 has 18 divisors (see below), whose sum is σ = 5109720. Its totient is φ = 1333816.

The previous prime is 2790979. The next prime is 2791007. The reversal of 2791004 is 4001972.

2791004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1457 + ... + 2775.

2^2791004 is an apocalyptic number.

It is an amenable number.

2791004 is a deficient number, since it is larger than the sum of its proper divisors (2318716).

2791004 is a wasteful number, since it uses less digits than its factorization.

2791004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2791004 is about 1670.6298213548. The cubic root of 2791004 is about 140.7948662686.

Adding to 2791004 its reverse (4001972), we get a palindrome (6792976).

The spelling of 2791004 in words is "two million, seven hundred ninety-one thousand, four".