2989747 has 8 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 2792328.

The previous prime is 2989691. The next prime is 2989757. The reversal of 2989747 is 7479892.

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 2989747 - 2⁷ = 2989619 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2989697 and 2989706.

It is not an unprimeable number, because it can be changed into a prime (2989757) 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, 523 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (399168).

2^2989747 is an apocalyptic number.

2989747 is a deficient number, since it is larger than the sum of its proper divisors (203597).

2989747 is a wasteful number, since it uses less digits than its factorization.

2989747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089.

The product of its digits is 254016, while the sum is 46.

The square root of 2989747 is about 1729.0884881926. The cubic root of 2989747 is about 144.0604652194.

The spelling of 2989747 in words is "two million, nine hundred eighty-nine thousand, seven hundred forty-seven".