10866042 has 48 divisors (see below), whose sum is σ = 26557440. Its totient is φ = 3290760.

The previous prime is 10866019. The next prime is 10866059. The reversal of 10866042 is 24066801.

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

It is a junction number, because it is equal to n+sod(n) for n = 10865997 and 10866015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5703 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (553280).

Almost surely, 2^10866042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10866042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13278720).

10866042 is an abundant number, since it is smaller than the sum of its proper divisors (15691398).

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

10866042 is a wasteful number, since it uses less digits than its factorization.

10866042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 10866042 is about 3296.3680013008. The cubic root of 10866042 is about 221.4915316925.

The spelling of 10866042 in words is "ten million, eight hundred sixty-six thousand, forty-two".