3284739 has 24 divisors (see below), whose sum is σ = 5151120. Its totient is φ = 2068416.

The previous prime is 3284737. The next prime is 3284747. The reversal of 3284739 is 9374823.

It is not a de Polignac number, because 3284739 - 2¹ = 3284737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3284737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9579 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (214630).

Almost surely, 2^3284739 is an apocalyptic number.

3284739 is a deficient number, since it is larger than the sum of its proper divisors (1866381).

3284739 is a wasteful number, since it uses less digits than its factorization.

3284739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 359 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3284739 is about 1812.3848928966. The cubic root of 3284739 is about 148.6506989716.

The spelling of 3284739 in words is "three million, two hundred eighty-four thousand, seven hundred thirty-nine".