3286749 has 4 divisors (see below), whose sum is σ = 4382336. Its totient is φ = 2191164.

The previous prime is 3286739. The next prime is 3286771. The reversal of 3286749 is 9476823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3286749 - 2¹³ = 3278557 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3286739) 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, 547789 + ... + 547794.

It is an arithmetic number, because the mean of its divisors is an integer number (1095584).

Almost surely, 2^3286749 is an apocalyptic number.

It is an amenable number.

3286749 is a deficient number, since it is larger than the sum of its proper divisors (1095587).

3286749 is a wasteful number, since it uses less digits than its factorization.

3286749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095586.

The product of its digits is 72576, while the sum is 39.

The square root of 3286749 is about 1812.9393260669. The cubic root of 3286749 is about 148.6810136056.

The spelling of 3286749 in words is "three million, two hundred eighty-six thousand, seven hundred forty-nine".