10639934 has 4 divisors (see below), whose sum is σ = 15959904. Its totient is φ = 5319966.

The previous prime is 10639931. The next prime is 10639949. The reversal of 10639934 is 43993601.

10639934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43993601 = 43 ⋅1023107.

It is a super-2 number, since 2×10639934² = 226416391048712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10639894 and 10639903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10639931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659982 + ... + 2659985.

It is an arithmetic number, because the mean of its divisors is an integer number (3989976).

Almost surely, 2^10639934 is an apocalyptic number.

10639934 is a deficient number, since it is larger than the sum of its proper divisors (5319970).

10639934 is an equidigital number, since it uses as much as digits as its factorization.

10639934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319969.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 10639934 is about 3261.8911692452. The cubic root of 10639934 is about 219.9444350030.

The spelling of 10639934 in words is "ten million, six hundred thirty-nine thousand, nine hundred thirty-four".