3286138 has 4 divisors (see below), whose sum is σ = 4929210. Its totient is φ = 1643068.

The previous prime is 3286133. The next prime is 3286139. The reversal of 3286138 is 8316823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3214849 + 71289 = 1793^2 + 267^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3286133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821533 + ... + 821536.

Almost surely, 2^3286138 is an apocalyptic number.

3286138 is a deficient number, since it is larger than the sum of its proper divisors (1643072).

3286138 is a wasteful number, since it uses less digits than its factorization.

3286138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643071.

The product of its digits is 6912, while the sum is 31.

The square root of 3286138 is about 1812.7708073554. The cubic root of 3286138 is about 148.6717998679.

The spelling of 3286138 in words is "three million, two hundred eighty-six thousand, one hundred thirty-eight".