3404642 has 4 divisors (see below), whose sum is σ = 5106966. Its totient is φ = 1702320.

The previous prime is 3404579. The next prime is 3404651. The reversal of 3404642 is 2464043.

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: 2464043 = 29 ⋅84967.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 1413721 = 1411^2 + 1189^2 .

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, 851159 + ... + 851162.

Almost surely, 2^3404642 is an apocalyptic number.

3404642 is a deficient number, since it is larger than the sum of its proper divisors (1702324).

3404642 is a wasteful number, since it uses less digits than its factorization.

3404642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702323.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3404642 is about 1845.1672010959. The cubic root of 3404642 is about 150.4378613467.

Adding to 3404642 its reverse (2464043), we get a palindrome (5868685).

The spelling of 3404642 in words is "three million, four hundred four thousand, six hundred forty-two".