10851993 has 12 divisors (see below), whose sum is σ = 15874560. Its totient is φ = 7142616.

The previous prime is 10851979. The next prime is 10852007. The reversal of 10851993 is 39915801.

It is a happy number.

10851993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10851979) and next prime (10852007).

It is not a de Polignac number, because 10851993 - 2¹² = 10847897 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (10851913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6921 + ... + 8342.

It is an arithmetic number, because the mean of its divisors is an integer number (1322880).

Almost surely, 2^10851993 is an apocalyptic number.

It is an amenable number.

10851993 is a deficient number, since it is larger than the sum of its proper divisors (5022567).

10851993 is a wasteful number, since it uses less digits than its factorization.

10851993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15348 (or 15345 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 10851993 is about 3294.2363303200. The cubic root of 10851993 is about 221.3960330564.

The spelling of 10851993 in words is "ten million, eight hundred fifty-one thousand, nine hundred ninety-three".