3278563 has 4 divisors (see below), whose sum is σ = 3283000. Its totient is φ = 3274128.

The previous prime is 3278557. The next prime is 3278573. The reversal of 3278563 is 3658723.

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

It is a cyclic number.

It is not a de Polignac number, because 3278563 - 2⁵ = 3278531 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3278573) 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, 813 + ... + 2686.

It is an arithmetic number, because the mean of its divisors is an integer number (820750).

Almost surely, 2^3278563 is an apocalyptic number.

3278563 is a deficient number, since it is larger than the sum of its proper divisors (4437).

3278563 is an equidigital number, since it uses as much as digits as its factorization.

3278563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436.

The product of its digits is 30240, while the sum is 34.

The square root of 3278563 is about 1810.6802589082. The cubic root of 3278563 is about 148.5574756638.

The spelling of 3278563 in words is "three million, two hundred seventy-eight thousand, five hundred sixty-three".