3245278 has 4 divisors (see below), whose sum is σ = 4867920. Its totient is φ = 1622638.

The previous prime is 3245267. The next prime is 3245287. The reversal of 3245278 is 8725423.

3245278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8725423 = 7 ⋅1246489.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811318 + ... + 811321.

It is an arithmetic number, because the mean of its divisors is an integer number (1216980).

Almost surely, 2^3245278 is an apocalyptic number.

3245278 is a deficient number, since it is larger than the sum of its proper divisors (1622642).

3245278 is a wasteful number, since it uses less digits than its factorization.

3245278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622641.

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

The square root of 3245278 is about 1801.4655145187. The cubic root of 3245278 is about 148.0530306673.

The spelling of 3245278 in words is "three million, two hundred forty-five thousand, two hundred seventy-eight".