10785399 has 4 divisors (see below), whose sum is σ = 14380536. Its totient is φ = 7190264.

The previous prime is 10785373. The next prime is 10785409. The reversal of 10785399 is 99358701.

It is a happy number.

10785399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10785399 - 2⁸ = 10785143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10785399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10785319) 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, 1797564 + ... + 1797569.

It is an arithmetic number, because the mean of its divisors is an integer number (3595134).

Almost surely, 2^10785399 is an apocalyptic number.

10785399 is a deficient number, since it is larger than the sum of its proper divisors (3595137).

10785399 is an equidigital number, since it uses as much as digits as its factorization.

10785399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595136.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 10785399 is about 3284.1131222904. The cubic root of 10785399 is about 220.9422328763.

The spelling of 10785399 in words is "ten million, seven hundred eighty-five thousand, three hundred ninety-nine".