10027639 has 4 divisors (see below), whose sum is σ = 10035256. Its totient is φ = 10020024.

The previous prime is 10027631. The next prime is 10027651. The reversal of 10027639 is 93672001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10027639 - 2³ = 10027631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10027631) 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 3 ways as a sum of consecutive naturals, for example, 1269 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (2508814).

Almost surely, 2^10027639 is an apocalyptic number.

10027639 is the 1693-rd nonagonal number.

10027639 is a deficient number, since it is larger than the sum of its proper divisors (7617).

10027639 is an equidigital number, since it uses as much as digits as its factorization.

10027639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 10027639 is about 3166.6447543102. The cubic root of 10027639 is about 215.6417744844.

The spelling of 10027639 in words is "ten million, twenty-seven thousand, six hundred thirty-nine".