10065891 has 16 divisors (see below), whose sum is σ = 14727168. Its totient is φ = 6064800.

The previous prime is 10065889. The next prime is 10065901. The reversal of 10065891 is 19856001.

It is a happy number.

10065891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10065891 - 2¹ = 10065889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10065821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5505 + ... + 7101.

It is an arithmetic number, because the mean of its divisors is an integer number (920448).

Almost surely, 2^10065891 is an apocalyptic number.

10065891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10065891 is a deficient number, since it is larger than the sum of its proper divisors (4661277).

10065891 is a wasteful number, since it uses less digits than its factorization.

10065891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 10065891 is about 3172.6788365670. The cubic root of 10065891 is about 215.9156263399.

The spelling of 10065891 in words is "ten million, sixty-five thousand, eight hundred ninety-one".