2973887 has 4 divisors (see below), whose sum is σ = 3398736. Its totient is φ = 2549040.

The previous prime is 2973881. The next prime is 2973889. The reversal of 2973887 is 7883792.

It is a happy number.

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 2973887 - 2⁴ = 2973871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2973881) 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, 212414 + ... + 212427.

It is an arithmetic number, because the mean of its divisors is an integer number (849684).

2^2973887 is an apocalyptic number.

2973887 is a deficient number, since it is larger than the sum of its proper divisors (424849).

2973887 is an equidigital number, since it uses as much as digits as its factorization.

2973887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424848.

The product of its digits is 169344, while the sum is 44.

The square root of 2973887 is about 1724.4961583025. The cubic root of 2973887 is about 143.8052762844.

The spelling of 2973887 in words is "two million, nine hundred seventy-three thousand, eight hundred eighty-seven".