10639982 has 8 divisors (see below), whose sum is σ = 15986376. Its totient is φ = 5311192.

The previous prime is 10639949. The next prime is 10639987. The reversal of 10639982 is 28993601.

10639982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×10639982² = 226418433920648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10639987) 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, 2768 + ... + 5379.

It is an arithmetic number, because the mean of its divisors is an integer number (1998297).

Almost surely, 2^10639982 is an apocalyptic number.

10639982 is a deficient number, since it is larger than the sum of its proper divisors (5346394).

10639982 is an equidigital number, since it uses as much as digits as its factorization.

10639982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8802.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 10639982 is about 3261.8985269318. The cubic root of 10639982 is about 219.9447657481.

The spelling of 10639982 in words is "ten million, six hundred thirty-nine thousand, nine hundred eighty-two".