10861506 has 16 divisors (see below), whose sum is σ = 24136800. Its totient is φ = 3620484.

The previous prime is 10861489. The next prime is 10861507. The reversal of 10861506 is 60516801.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 10861506.

It is not an unprimeable number, because it can be changed into a prime (10861507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100516 + ... + 100623.

It is an arithmetic number, because the mean of its divisors is an integer number (1508550).

Almost surely, 2^10861506 is an apocalyptic number.

10861506 is an abundant number, since it is smaller than the sum of its proper divisors (13275294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10861506 is a wasteful number, since it uses less digits than its factorization.

10861506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201150 (or 201144 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 10861506 is about 3295.6798995048. The cubic root of 10861506 is about 221.4607070549.

The spelling of 10861506 in words is "ten million, eight hundred sixty-one thousand, five hundred six".