10427939 has 4 divisors (see below), whose sum is σ = 10452456. Its totient is φ = 10403424.

The previous prime is 10427933. The next prime is 10427957. The reversal of 10427939 is 93972401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10427939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10427899 and 10427908.

It is not an unprimeable number, because it can be changed into a prime (10427933) 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 3 ways as a sum of consecutive naturals, for example, 11609 + ... + 12474.

It is an arithmetic number, because the mean of its divisors is an integer number (2613114).

Almost surely, 2^10427939 is an apocalyptic number.

10427939 is a deficient number, since it is larger than the sum of its proper divisors (24517).

10427939 is an equidigital number, since it uses as much as digits as its factorization.

10427939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24516.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 10427939 is about 3229.2319520282. The cubic root of 10427939 is about 218.4738661062.

The spelling of 10427939 in words is "ten million, four hundred twenty-seven thousand, nine hundred thirty-nine".