2789481 has 8 divisors (see below), whose sum is σ = 3847680. Its totient is φ = 1795472.

The previous prime is 2789477. The next prime is 2789483. The reversal of 2789481 is 1849872.

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 2789481 - 2² = 2789477 is a prime.

It is a super-2 number, since 2×2789481² = 15562408498722, which contains 22 as substring.

2789481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2789483) 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, 15945 + ... + 16118.

It is an arithmetic number, because the mean of its divisors is an integer number (480960).

2^2789481 is an apocalyptic number.

It is an amenable number.

2789481 is a deficient number, since it is larger than the sum of its proper divisors (1058199).

2789481 is a wasteful number, since it uses less digits than its factorization.

2789481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32095.

The product of its digits is 32256, while the sum is 39.

The square root of 2789481 is about 1670.1739430371. The cubic root of 2789481 is about 140.7692518783.

The spelling of 2789481 in words is "two million, seven hundred eighty-nine thousand, four hundred eighty-one".