3280042 has 4 divisors (see below), whose sum is σ = 4920066. Its totient is φ = 1640020.

The previous prime is 3280037. The next prime is 3280061. The reversal of 3280042 is 2400823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2400823 = 29 ⋅82787.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 72361 = 1791^2 + 269^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820009 + ... + 820012.

Almost surely, 2^3280042 is an apocalyptic number.

3280042 is a deficient number, since it is larger than the sum of its proper divisors (1640024).

3280042 is a wasteful number, since it uses less digits than its factorization.

3280042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640023.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3280042 is about 1811.0886229006. The cubic root of 3280042 is about 148.5798110056.

Adding to 3280042 its reverse (2400823), we get a palindrome (5680865).

The spelling of 3280042 in words is "three million, two hundred eighty thousand, forty-two".