2793890 has 24 divisors (see below), whose sum is σ = 5530140. Its totient is φ = 1015520.

The previous prime is 2793887. The next prime is 2793911. The reversal of 2793890 is 983972.

It can be written as a sum of positive squares in 2 ways, for example, as 2758921 + 34969 = 1661^2 + 187^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56 + ... + 2364.

2^2793890 is an apocalyptic number.

2793890 is a deficient number, since it is larger than the sum of its proper divisors (2736250).

2793890 is a wasteful number, since it uses less digits than its factorization.

2793890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2793890 is about 1671.4933442883. The cubic root of 2793890 is about 140.8433785614.

The spelling of 2793890 in words is "two million, seven hundred ninety-three thousand, eight hundred ninety".