10439975 has 36 divisors (see below), whose sum is σ = 16065936. Its totient is φ = 6589440.

The previous prime is 10439951. The next prime is 10439981. The reversal of 10439975 is 57993401.

It is a happy number.

It is not a de Polignac number, because 10439975 - 2⁸ = 10439719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29399 + ... + 29751.

It is an arithmetic number, because the mean of its divisors is an integer number (446276).

Almost surely, 2^10439975 is an apocalyptic number.

10439975 is a deficient number, since it is larger than the sum of its proper divisors (5625961).

10439975 is a wasteful number, since it uses less digits than its factorization.

10439975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 10439975 is about 3231.0950156255. The cubic root of 10439975 is about 218.5578884753.

The spelling of 10439975 in words is "ten million, four hundred thirty-nine thousand, nine hundred seventy-five".