10605639 has 8 divisors (see below), whose sum is σ = 15426432. Its totient is φ = 6427640.

The previous prime is 10605607. The next prime is 10605697. The reversal of 10605639 is 93650601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10605639 - 2⁵ = 10605607 is a prime.

It is a super-2 number, since 2×10605639² = 224959157196642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10605239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 160659 + ... + 160724.

It is an arithmetic number, because the mean of its divisors is an integer number (1928304).

Almost surely, 2^10605639 is an apocalyptic number.

10605639 is a deficient number, since it is larger than the sum of its proper divisors (4820793).

10605639 is a wasteful number, since it uses less digits than its factorization.

10605639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321397.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 10605639 is about 3256.6300066173. The cubic root of 10605639 is about 219.7078698382.

The spelling of 10605639 in words is "ten million, six hundred five thousand, six hundred thirty-nine".