6239661 has 8 divisors (see below), whose sum is σ = 8383584. Its totient is φ = 4127760.

The previous prime is 6239659. The next prime is 6239677. The reversal of 6239661 is 1669326.

It is a happy number.

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

It is not a de Polignac number, because 6239661 - 2¹ = 6239659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6239461) 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, 7546 + ... + 8331.

It is an arithmetic number, because the mean of its divisors is an integer number (1047948).

Almost surely, 2^6239661 is an apocalyptic number.

It is an amenable number.

6239661 is a deficient number, since it is larger than the sum of its proper divisors (2143923).

6239661 is a wasteful number, since it uses less digits than its factorization.

6239661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16011.

The product of its digits is 11664, while the sum is 33.

The square root of 6239661 is about 2497.9313441326. The cubic root of 6239661 is about 184.0999476683.

The spelling of 6239661 in words is "six million, two hundred thirty-nine thousand, six hundred sixty-one".