3305642 has 4 divisors (see below), whose sum is σ = 4958466. Its totient is φ = 1652820.

The previous prime is 3305611. The next prime is 3305657. The reversal of 3305642 is 2465033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2465033 = 89 ⋅27697.

It can be written as a sum of positive squares in only one way, i.e., 3279721 + 25921 = 1811^2 + 161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826409 + ... + 826412.

Almost surely, 2^3305642 is an apocalyptic number.

3305642 is a deficient number, since it is larger than the sum of its proper divisors (1652824).

3305642 is a wasteful number, since it uses less digits than its factorization.

3305642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652823.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3305642 is about 1818.1424586649. The cubic root of 3305642 is about 148.9653538652.

The spelling of 3305642 in words is "three million, three hundred five thousand, six hundred forty-two".