3045639 has 8 divisors (see below), whose sum is σ = 4129920. Its totient is φ = 1995896.

The previous prime is 3045631. The next prime is 3045661. The reversal of 3045639 is 9365403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3045639 - 2³ = 3045631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8427 + ... + 8780.

It is an arithmetic number, because the mean of its divisors is an integer number (516240).

Almost surely, 2^3045639 is an apocalyptic number.

3045639 is a deficient number, since it is larger than the sum of its proper divisors (1084281).

3045639 is a wasteful number, since it uses less digits than its factorization.

3045639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17269.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3045639 is about 1745.1759223643. The cubic root of 3045639 is about 144.9526440679.

The spelling of 3045639 in words is "three million, forty-five thousand, six hundred thirty-nine".