2992747 has 4 divisors (see below), whose sum is σ = 3150280. Its totient is φ = 2835216.

The previous prime is 2992739. The next prime is 2992763. The reversal of 2992747 is 7472992.

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

It is a cyclic number.

It is not a de Polignac number, because 2992747 - 2³ = 2992739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2992777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78738 + ... + 78775.

It is an arithmetic number, because the mean of its divisors is an integer number (787570).

2^2992747 is an apocalyptic number.

2992747 is a deficient number, since it is larger than the sum of its proper divisors (157533).

2992747 is a wasteful number, since it uses less digits than its factorization.

2992747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157532.

The product of its digits is 63504, while the sum is 40.

The square root of 2992747 is about 1729.9557797817. The cubic root of 2992747 is about 144.1086339465.

The spelling of 2992747 in words is "two million, nine hundred ninety-two thousand, seven hundred forty-seven".