3287649 has 8 divisors (see below), whose sum is σ = 4418560. Its totient is φ = 2174256.

The previous prime is 3287639. The next prime is 3287653. The reversal of 3287649 is 9467823.

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

It is not a de Polignac number, because 3287649 - 2⁵ = 3287617 is a prime.

It is a d-powerful number, because it can be written as 3¹² + 2¹⁹ + 8⁷ + 7⁶ + 6 + 4⁷ + 9³ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3287629) 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, 3934 + ... + 4695.

It is an arithmetic number, because the mean of its divisors is an integer number (552320).

Almost surely, 2^3287649 is an apocalyptic number.

It is an amenable number.

3287649 is a deficient number, since it is larger than the sum of its proper divisors (1130911).

3287649 is a wasteful number, since it uses less digits than its factorization.

3287649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759.

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

The square root of 3287649 is about 1813.1875247751. The cubic root of 3287649 is about 148.6945833164.

The spelling of 3287649 in words is "three million, two hundred eighty-seven thousand, six hundred forty-nine".