2992447 has 4 divisors (see below), whose sum is σ = 3026160. Its totient is φ = 2958736.

The previous prime is 2992417. The next prime is 2992453. The reversal of 2992447 is 7442992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2992447 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2992417) 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, 16723 + ... + 16900.

It is an arithmetic number, because the mean of its divisors is an integer number (756540).

2^2992447 is an apocalyptic number.

2992447 is a deficient number, since it is larger than the sum of its proper divisors (33713).

2992447 is an equidigital number, since it uses as much as digits as its factorization.

2992447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33712.

The product of its digits is 36288, while the sum is 37.

The square root of 2992447 is about 1729.8690701900. The cubic root of 2992447 is about 144.1038185227.

The spelling of 2992447 in words is "two million, nine hundred ninety-two thousand, four hundred forty-seven".