4865981 has 8 divisors (see below), whose sum is σ = 5025120. Its totient is φ = 4708368.

The previous prime is 4865969. The next prime is 4865989. The reversal of 4865981 is 1895684.

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 4865981 - 2¹⁰ = 4864957 is a prime.

It is a super-3 number, since 3×4865981³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4865989) 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, 12650 + ... + 13028.

It is an arithmetic number, because the mean of its divisors is an integer number (628140).

Almost surely, 2^4865981 is an apocalyptic number.

It is an amenable number.

4865981 is a deficient number, since it is larger than the sum of its proper divisors (159139).

4865981 is a wasteful number, since it uses less digits than its factorization.

4865981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its digits is 69120, while the sum is 41.

The square root of 4865981 is about 2205.8968697562. The cubic root of 4865981 is about 169.4559423494.

The spelling of 4865981 in words is "four million, eight hundred sixty-five thousand, nine hundred eighty-one".