3279649 has 4 divisors (see below), whose sum is σ = 3296836. Its totient is φ = 3262464.

The previous prime is 3279641. The next prime is 3279673. The reversal of 3279649 is 9469723.

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

It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 2663424 = 785^2 + 1632^2 .

It is a cyclic number.

It is not a de Polignac number, because 3279649 - 2³ = 3279641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3279641) 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, 8304 + ... + 8689.

It is an arithmetic number, because the mean of its divisors is an integer number (824209).

Almost surely, 2^3279649 is an apocalyptic number.

It is an amenable number.

3279649 is a deficient number, since it is larger than the sum of its proper divisors (17187).

3279649 is a wasteful number, since it uses less digits than its factorization.

3279649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186.

The product of its digits is 81648, while the sum is 40.

The square root of 3279649 is about 1810.9801213707. The cubic root of 3279649 is about 148.5738767119.

The spelling of 3279649 in words is "three million, two hundred seventy-nine thousand, six hundred forty-nine".