3242978 has 4 divisors (see below), whose sum is σ = 4864470. Its totient is φ = 1621488.

The previous prime is 3242969. The next prime is 3242999. The reversal of 3242978 is 8792423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8792423 = 29 ⋅303187.

It can be written as a sum of positive squares in only one way, i.e., 3052009 + 190969 = 1747^2 + 437^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810743 + ... + 810746.

Almost surely, 2^3242978 is an apocalyptic number.

3242978 is a deficient number, since it is larger than the sum of its proper divisors (1621492).

3242978 is a wasteful number, since it uses less digits than its factorization.

3242978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621491.

The product of its digits is 24192, while the sum is 35.

The square root of 3242978 is about 1800.8270322271. The cubic root of 3242978 is about 148.0180462533.

The spelling of 3242978 in words is "three million, two hundred forty-two thousand, nine hundred seventy-eight".