10239765 has 48 divisors (see below), whose sum is σ = 18141696. Its totient is φ = 4924800.

The previous prime is 10239739. The next prime is 10239767. The reversal of 10239765 is 56793201.

It is not a de Polignac number, because 10239765 - 2¹⁰ = 10238741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10239767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167835 + ... + 167895.

It is an arithmetic number, because the mean of its divisors is an integer number (377952).

Almost surely, 2^10239765 is an apocalyptic number.

10239765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10239765 is a deficient number, since it is larger than the sum of its proper divisors (7901931).

10239765 is a wasteful number, since it uses less digits than its factorization.

10239765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 10239765 is about 3199.9632810393. The cubic root of 10239765 is about 217.1517481479.

The spelling of 10239765 in words is "ten million, two hundred thirty-nine thousand, seven hundred sixty-five".