3278245 has 4 divisors (see below), whose sum is σ = 3933900. Its totient is φ = 2622592.

The previous prime is 3278239. The next prime is 3278257. The reversal of 3278245 is 5428723.

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 986049 + 2292196 = 993^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 3278245 - 2⁷ = 3278117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327820 + ... + 327829.

It is an arithmetic number, because the mean of its divisors is an integer number (983475).

Almost surely, 2^3278245 is an apocalyptic number.

It is an amenable number.

3278245 is a deficient number, since it is larger than the sum of its proper divisors (655655).

3278245 is an equidigital number, since it uses as much as digits as its factorization.

3278245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655654.

The product of its digits is 13440, while the sum is 31.

The square root of 3278245 is about 1810.5924444778. The cubic root of 3278245 is about 148.5526724614.

The spelling of 3278245 in words is "three million, two hundred seventy-eight thousand, two hundred forty-five".