2988739 has 4 divisors (see below), whose sum is σ = 3218656. Its totient is φ = 2758824.

The previous prime is 2988731. The next prime is 2988761. The reversal of 2988739 is 9378892.

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 2988739 - 2³ = 2988731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2988731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114939 + ... + 114964.

It is an arithmetic number, because the mean of its divisors is an integer number (804664).

2^2988739 is an apocalyptic number.

2988739 is a deficient number, since it is larger than the sum of its proper divisors (229917).

2988739 is a wasteful number, since it uses less digits than its factorization.

2988739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229916.

The product of its digits is 217728, while the sum is 46.

The square root of 2988739 is about 1728.7969805619. The cubic root of 2988739 is about 144.0442732951.

The spelling of 2988739 in words is "two million, nine hundred eighty-eight thousand, seven hundred thirty-nine".