10939830 has 32 divisors (see below), whose sum is σ = 28643328. Its totient is φ = 2652000.

The previous prime is 10939829. The next prime is 10939843. The reversal of 10939830 is 3893901.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10939791 and 10939800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16246 + ... + 16905.

It is an arithmetic number, because the mean of its divisors is an integer number (895104).

Almost surely, 2^10939830 is an apocalyptic number.

10939830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10939830 is an abundant number, since it is smaller than the sum of its proper divisors (17703498).

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

10939830 is a wasteful number, since it uses less digits than its factorization.

10939830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33172.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 10939830 is about 3307.5413829611. The cubic root of 10939830 is about 221.9917617266.

The spelling of 10939830 in words is "ten million, nine hundred thirty-nine thousand, eight hundred thirty".