4661839 has 8 divisors (see below), whose sum is σ = 5737760. Its totient is φ = 3688416.

The previous prime is 4661819. The next prime is 4661849. The reversal of 4661839 is 9381664.

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 4661839 - 2⁵ = 4661807 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4661798 and 4661807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25524 + ... + 25705.

It is an arithmetic number, because the mean of its divisors is an integer number (717220).

Almost surely, 2^4661839 is an apocalyptic number.

4661839 is a deficient number, since it is larger than the sum of its proper divisors (1075921).

4661839 is a wasteful number, since it uses less digits than its factorization.

4661839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51249.

The product of its digits is 31104, while the sum is 37.

The square root of 4661839 is about 2159.1292226266. The cubic root of 4661839 is about 167.0522862084.

The spelling of 4661839 in words is "four million, six hundred sixty-one thousand, eight hundred thirty-nine".