6610039 has 4 divisors (see below), whose sum is σ = 6897456. Its totient is φ = 6322624.

The previous prime is 6609989. The next prime is 6610049. The reversal of 6610039 is 9300166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6610039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6609995 and 6610022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143674 + ... + 143719.

It is an arithmetic number, because the mean of its divisors is an integer number (1724364).

Almost surely, 2^6610039 is an apocalyptic number.

6610039 is a deficient number, since it is larger than the sum of its proper divisors (287417).

6610039 is a wasteful number, since it uses less digits than its factorization.

6610039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287416.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 6610039 is about 2570.9996110463. Note that the first 3 decimals coincide. The cubic root of 6610039 is about 187.6728030633.

The spelling of 6610039 in words is "six million, six hundred ten thousand, thirty-nine".