2987747 has 8 divisors (see below), whose sum is σ = 3426816. Its totient is φ = 2551752.

The previous prime is 2987737. The next prime is 2987753. The reversal of 2987747 is 7477892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2987747 - 2¹⁰ = 2986723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2987698 and 2987707.

It is not an unprimeable number, because it can be changed into a prime (2987707) 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 7 ways as a sum of consecutive naturals, for example, 1988 + ... + 3150.

It is an arithmetic number, because the mean of its divisors is an integer number (428352).

2^2987747 is an apocalyptic number.

2987747 is a deficient number, since it is larger than the sum of its proper divisors (439069).

2987747 is a wasteful number, since it uses less digits than its factorization.

2987747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its digits is 197568, while the sum is 44.

The square root of 2987747 is about 1728.5100520390. The cubic root of 2987747 is about 144.0283348306.

The spelling of 2987747 in words is "two million, nine hundred eighty-seven thousand, seven hundred forty-seven".