10439857 has 2 divisors, whose sum is σ = 10439858. Its totient is φ = 10439856.

The previous prime is 10439837. The next prime is 10439917. The reversal of 10439857 is 75893401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8156736 + 2283121 = 2856^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 10439857 - 2⁷ = 10439729 is a prime.

It is a super-2 number, since 2×10439857² = 217981228360898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10439827) 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 as a sum of consecutive naturals, namely, 5219928 + 5219929.

It is an arithmetic number, because the mean of its divisors is an integer number (5219929).

Almost surely, 2^10439857 is an apocalyptic number.

It is an amenable number.

10439857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10439857 is an equidigital number, since it uses as much as digits as its factorization.

10439857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 10439857 is about 3231.0767555105. The cubic root of 10439857 is about 218.5570650401.

The spelling of 10439857 in words is "ten million, four hundred thirty-nine thousand, eight hundred fifty-seven".