10981340 has 36 divisors (see below), whose sum is σ = 23807784. Its totient is φ = 4252416.

The previous prime is 10981339. The next prime is 10981361. The reversal of 10981340 is 4318901.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97124 + ... + 97236.

Almost surely, 2^10981340 is an apocalyptic number.

10981340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10981340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11903892).

10981340 is an abundant number, since it is smaller than the sum of its proper divisors (12826444).

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

10981340 is a wasteful number, since it uses less digits than its factorization.

10981340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10981340 is about 3313.8104954870. The cubic root of 10981340 is about 222.2721819154.

The spelling of 10981340 in words is "ten million, nine hundred eighty-one thousand, three hundred forty".