3287139 has 4 divisors (see below), whose sum is σ = 4382856. Its totient is φ = 2191424.

The previous prime is 3287101. The next prime is 3287143. The reversal of 3287139 is 9317823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9317823 = 3 ⋅3105941.

It is a cyclic number.

It is not a de Polignac number, because 3287139 - 2¹⁵ = 3254371 is a prime.

It is a D-number.

3287139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3287149) 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, 547854 + ... + 547859.

It is an arithmetic number, because the mean of its divisors is an integer number (1095714).

Almost surely, 2^3287139 is an apocalyptic number.

3287139 is a deficient number, since it is larger than the sum of its proper divisors (1095717).

3287139 is a wasteful number, since it uses less digits than its factorization.

3287139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095716.

The product of its digits is 9072, while the sum is 33.

The square root of 3287139 is about 1813.0468830121. The cubic root of 3287139 is about 148.6868941177.

The spelling of 3287139 in words is "three million, two hundred eighty-seven thousand, one hundred thirty-nine".