10891642 has 16 divisors (see below), whose sum is σ = 16917120. Its totient is φ = 5255712.

The previous prime is 10891591. The next prime is 10891649. The reversal of 10891642 is 24619801.

It is a happy number.

10891642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (10891649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6943 + ... + 8365.

It is an arithmetic number, because the mean of its divisors is an integer number (1057320).

Almost surely, 2^10891642 is an apocalyptic number.

10891642 is a deficient number, since it is larger than the sum of its proper divisors (6025478).

10891642 is a wasteful number, since it uses less digits than its factorization.

10891642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 10891642 is about 3300.2487785014. The cubic root of 10891642 is about 221.6653372701.

The spelling of 10891642 in words is "ten million, eight hundred ninety-one thousand, six hundred forty-two".