10485639 has 16 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 6904728.

The previous prime is 10485637. The next prime is 10485649. The reversal of 10485639 is 93658401.

10485639 is a `hidden beast` number, since 10 + 4 + 8 + 5 + 639 = 666.

It is not a de Polignac number, because 10485639 - 2¹ = 10485637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10485637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99 + ... + 4580.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^10485639 is an apocalyptic number.

10485639 is a deficient number, since it is larger than the sum of its proper divisors (5239161).

10485639 is an equidigital number, since it uses as much as digits as its factorization.

10485639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771 (or 4765 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 10485639 is about 3238.1536405798. The cubic root of 10485639 is about 218.8760792643.

The spelling of 10485639 in words is "ten million, four hundred eighty-five thousand, six hundred thirty-nine".