10196639 has 4 divisors (see below), whose sum is σ = 10210800. Its totient is φ = 10182480.

The previous prime is 10196629. The next prime is 10196671. The reversal of 10196639 is 93669101.

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-10196639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10196599 and 10196608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10196629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5939 + ... + 7460.

It is an arithmetic number, because the mean of its divisors is an integer number (2552700).

Almost surely, 2^10196639 is an apocalyptic number.

10196639 is a deficient number, since it is larger than the sum of its proper divisors (14161).

10196639 is an equidigital number, since it uses as much as digits as its factorization.

10196639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14160.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 10196639 is about 3193.2176562208. The cubic root of 10196639 is about 216.8464656128.

The spelling of 10196639 in words is "ten million, one hundred ninety-six thousand, six hundred thirty-nine".