2791946 has 16 divisors (see below), whose sum is σ = 4452840. Its totient is φ = 1310400.

The previous prime is 2791937. The next prime is 2791949. The reversal of 2791946 is 6491972.

It can be written as a sum of positive squares in 4 ways, for example, as 2088025 + 703921 = 1445^2 + 839^2 .

It is not an unprimeable number, because it can be changed into a prime (2791949) 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, 1496 + ... + 2796.

2^2791946 is an apocalyptic number.

2791946 is a deficient number, since it is larger than the sum of its proper divisors (1660894).

2791946 is a wasteful number, since it uses less digits than its factorization.

2791946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

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

The square root of 2791946 is about 1670.9117271717. The cubic root of 2791946 is about 140.8107045172.

The spelling of 2791946 in words is "two million, seven hundred ninety-one thousand, nine hundred forty-six".