10239861 has 8 divisors (see below), whose sum is σ = 14022304. Its totient is φ = 6642000.

The previous prime is 10239851. The next prime is 10239869. The reversal of 10239861 is 16893201.

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

It is not a de Polignac number, because 10239861 - 2⁵ = 10239829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10239869) 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, 46015 + ... + 46236.

It is an arithmetic number, because the mean of its divisors is an integer number (1752788).

Almost surely, 2^10239861 is an apocalyptic number.

It is an amenable number.

10239861 is a deficient number, since it is larger than the sum of its proper divisors (3782443).

10239861 is an equidigital number, since it uses as much as digits as its factorization.

10239861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92291.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 10239861 is about 3199.9782811763. The cubic root of 10239861 is about 217.1524267605.

The spelling of 10239861 in words is "ten million, two hundred thirty-nine thousand, eight hundred sixty-one".