2988649 has 4 divisors (see below), whose sum is σ = 3026560. Its totient is φ = 2950740.

The previous prime is 2988647. The next prime is 2988659. The reversal of 2988649 is 9468892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2988649 - 2¹ = 2988647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2988599 and 2988608.

It is not an unprimeable number, because it can be changed into a prime (2988647) 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, 18837 + ... + 18994.

It is an arithmetic number, because the mean of its divisors is an integer number (756640).

2^2988649 is an apocalyptic number.

It is an amenable number.

2988649 is a deficient number, since it is larger than the sum of its proper divisors (37911).

2988649 is an equidigital number, since it uses as much as digits as its factorization.

2988649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37910.

The product of its digits is 248832, while the sum is 46.

The square root of 2988649 is about 1728.7709507046. The cubic root of 2988649 is about 144.0428274105.

The spelling of 2988649 in words is "two million, nine hundred eighty-eight thousand, six hundred forty-nine".