2989491 has 8 divisors (see below), whose sum is σ = 3994560. Its totient is φ = 1988712.

The previous prime is 2989487. The next prime is 2989513. The reversal of 2989491 is 1949892.

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

It is not a de Polignac number, because 2989491 - 2² = 2989487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989451) 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, 1320 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (499320).

2^2989491 is an apocalyptic number.

2989491 is a deficient number, since it is larger than the sum of its proper divisors (1005069).

2989491 is a wasteful number, since it uses less digits than its factorization.

2989491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145.

The product of its digits is 46656, while the sum is 42.

The square root of 2989491 is about 1729.0144591645. The cubic root of 2989491 is about 144.0563533295.

The spelling of 2989491 in words is "two million, nine hundred eighty-nine thousand, four hundred ninety-one".