2987743 has 8 divisors (see below), whose sum is σ = 3329280. Its totient is φ = 2657880.

The previous prime is 2987737. The next prime is 2987753. The reversal of 2987743 is 3477892.

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

It is a cyclic number.

It is not a de Polignac number, because 2987743 - 2¹³ = 2979551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2987696 and 2987705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2373 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (416160).

2^2987743 is an apocalyptic number.

2987743 is a deficient number, since it is larger than the sum of its proper divisors (341537).

2987743 is a wasteful number, since it uses less digits than its factorization.

2987743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837.

The product of its digits is 84672, while the sum is 40.

The square root of 2987743 is about 1728.5088949728. The cubic root of 2987743 is about 144.0282705554.

The spelling of 2987743 in words is "two million, nine hundred eighty-seven thousand, seven hundred forty-three".