10239745 has 16 divisors (see below), whose sum is σ = 12654720. Its totient is φ = 7951104.

The previous prime is 10239739. The next prime is 10239767. The reversal of 10239745 is 54793201.

10239745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10239745 - 2⁷ = 10239617 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30217 + ... + 30553.

It is an arithmetic number, because the mean of its divisors is an integer number (790920).

Almost surely, 2^10239745 is an apocalyptic number.

It is an amenable number.

10239745 is a deficient number, since it is larger than the sum of its proper divisors (2414975).

10239745 is a wasteful number, since it uses less digits than its factorization.

10239745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 10239745 is about 3199.9601560019. The cubic root of 10239745 is about 217.1516067697.

The spelling of 10239745 in words is "ten million, two hundred thirty-nine thousand, seven hundred forty-five".