10655399 has 4 divisors (see below), whose sum is σ = 10761000. Its totient is φ = 10549800.

The previous prime is 10655389. The next prime is 10655423. The reversal of 10655399 is 99355601.

10655399 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, and also an emirpimes, since its reverse is a distinct semiprime: 99355601 = 7043 ⋅14107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10655399 is a prime.

It is a super-2 number, since 2×10655399² = 227075055698402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10655369) 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, 52649 + ... + 52850.

It is an arithmetic number, because the mean of its divisors is an integer number (2690250).

Almost surely, 2^10655399 is an apocalyptic number.

10655399 is a deficient number, since it is larger than the sum of its proper divisors (105601).

10655399 is a wasteful number, since it uses less digits than its factorization.

10655399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105600.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 10655399 is about 3264.2608658010. The cubic root of 10655399 is about 220.0509455019.

The spelling of 10655399 in words is "ten million, six hundred fifty-five thousand, three hundred ninety-nine".