10857638 has 16 divisors (see below), whose sum is σ = 17858880. Its totient is φ = 4909800.

The previous prime is 10857631. The next prime is 10857641. The reversal of 10857638 is 83675801.

10857638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10857631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3473 + ... + 5811.

It is an arithmetic number, because the mean of its divisors is an integer number (1116180).

Almost surely, 2^10857638 is an apocalyptic number.

10857638 is a deficient number, since it is larger than the sum of its proper divisors (7001242).

10857638 is a wasteful number, since it uses less digits than its factorization.

10857638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 10857638 is about 3295.0930184139. The cubic root of 10857638 is about 221.4344150680.

The spelling of 10857638 in words is "ten million, eight hundred fifty-seven thousand, six hundred thirty-eight".