3278542 has 4 divisors (see below), whose sum is σ = 4917816. Its totient is φ = 1639270.

The previous prime is 3278531. The next prime is 3278551. The reversal of 3278542 is 2458723.

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

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 polite number, since it can be written as a sum of consecutive naturals, namely, 819634 + ... + 819637.

It is an arithmetic number, because the mean of its divisors is an integer number (1229454).

Almost surely, 2^3278542 is an apocalyptic number.

3278542 is a deficient number, since it is larger than the sum of its proper divisors (1639274).

3278542 is a wasteful number, since it uses less digits than its factorization.

3278542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639273.

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

The square root of 3278542 is about 1810.6744599734. The cubic root of 3278542 is about 148.5571584808.

It can be divided in two parts, 32785 and 42, that multiplied together give a triangular number (1376970 = T₁₆₅₉).

The spelling of 3278542 in words is "three million, two hundred seventy-eight thousand, five hundred forty-two".