10867861 has 4 divisors (see below), whose sum is σ = 10883232. Its totient is φ = 10852492.

The previous prime is 10867853. The next prime is 10867873. The reversal of 10867861 is 16876801.

10867861 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10867861 - 2³ = 10867853 is a prime.

It is a super-2 number, since 2×10867861² = 236220805430642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10867861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10862861) 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, 6571 + ... + 8056.

It is an arithmetic number, because the mean of its divisors is an integer number (2720808).

Almost surely, 2^10867861 is an apocalyptic number.

It is an amenable number.

10867861 is a deficient number, since it is larger than the sum of its proper divisors (15371).

10867861 is an equidigital number, since it uses as much as digits as its factorization.

10867861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15370.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 10867861 is about 3296.6438994832. The cubic root of 10867861 is about 221.5038903974.

The spelling of 10867861 in words is "ten million, eight hundred sixty-seven thousand, eight hundred sixty-one".