4861439 has 8 divisors (see below), whose sum is σ = 5615568. Its totient is φ = 4159360.

The previous prime is 4861429. The next prime is 4861471. The reversal of 4861439 is 9341684.

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 4861439 - 2¹² = 4857343 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4861399 and 4861408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4861429) 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, 12812 + ... + 13185.

It is an arithmetic number, because the mean of its divisors is an integer number (701946).

Almost surely, 2^4861439 is an apocalyptic number.

4861439 is a deficient number, since it is larger than the sum of its proper divisors (754129).

4861439 is a wasteful number, since it uses less digits than its factorization.

4861439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26025.

The product of its digits is 20736, while the sum is 35.

The square root of 4861439 is about 2204.8671161773. The cubic root of 4861439 is about 169.4032014605.

The spelling of 4861439 in words is "four million, eight hundred sixty-one thousand, four hundred thirty-nine".