2922987 has 4 divisors (see below), whose sum is σ = 3897320. Its totient is φ = 1948656.

The previous prime is 2922973. The next prime is 2922989. The reversal of 2922987 is 7892292.

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

It is not a de Polignac number, because 2922987 - 2⁷ = 2922859 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2922989) 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, 487162 + ... + 487167.

It is an arithmetic number, because the mean of its divisors is an integer number (974330).

2^2922987 is an apocalyptic number.

2922987 is a deficient number, since it is larger than the sum of its proper divisors (974333).

2922987 is an equidigital number, since it uses as much as digits as its factorization.

2922987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974332.

The product of its digits is 36288, while the sum is 39.

The square root of 2922987 is about 1709.6745304297. The cubic root of 2922987 is about 142.9801103607.

The spelling of 2922987 in words is "two million, nine hundred twenty-two thousand, nine hundred eighty-seven".