10981906 has 16 divisors (see below), whose sum is σ = 18043200. Its totient is φ = 4981968.

The previous prime is 10981889. The next prime is 10981907. The reversal of 10981906 is 60918901.

It is not an unprimeable number, because it can be changed into a prime (10981907) 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, 2046 + ... + 5113.

It is an arithmetic number, because the mean of its divisors is an integer number (1127700).

Almost surely, 2^10981906 is an apocalyptic number.

10981906 is a deficient number, since it is larger than the sum of its proper divisors (7061294).

10981906 is a wasteful number, since it uses less digits than its factorization.

10981906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 10981906 is about 3313.8958945628. The cubic root of 10981906 is about 222.2760006326.

The spelling of 10981906 in words is "ten million, nine hundred eighty-one thousand, nine hundred six".