3187289 has 8 divisors (see below), whose sum is σ = 3727680. Its totient is φ = 2668176.

The previous prime is 3187277. The next prime is 3187309. The reversal of 3187289 is 9827813.

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

It is not a de Polignac number, because 3187289 - 2⁴ = 3187273 is a prime.

It is a super-2 number, since 2×3187289² = 20317622339042, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3187489) 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, 4994 + ... + 5595.

It is an arithmetic number, because the mean of its divisors is an integer number (465960).

Almost surely, 2^3187289 is an apocalyptic number.

It is an amenable number.

3187289 is a deficient number, since it is larger than the sum of its proper divisors (540391).

3187289 is a wasteful number, since it uses less digits than its factorization.

3187289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639.

The product of its digits is 24192, while the sum is 38.

The square root of 3187289 is about 1785.2980143382. The cubic root of 3187289 is about 147.1658855106.

The spelling of 3187289 in words is "three million, one hundred eighty-seven thousand, two hundred eighty-nine".