2813992 has 8 divisors (see below), whose sum is σ = 5276250. Its totient is φ = 1406992.

The previous prime is 2813989. The next prime is 2814001. The reversal of 2813992 is 2993182.

It can be written as a sum of positive squares in only one way, i.e., 1454436 + 1359556 = 1206^2 + 1166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175867 + ... + 175882.

2^2813992 is an apocalyptic number.

It is an amenable number.

2813992 is a deficient number, since it is larger than the sum of its proper divisors (2462258).

2813992 is a wasteful number, since it uses less digits than its factorization.

2813992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351755 (or 351751 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 2813992 is about 1677.4957526027. The cubic root of 2813992 is about 141.1803603776.

The spelling of 2813992 in words is "two million, eight hundred thirteen thousand, nine hundred ninety-two".