11409830 has 8 divisors (see below), whose sum is σ = 20537712. Its totient is φ = 4563928.

The previous prime is 11409821. The next prime is 11409841. The reversal of 11409830 is 3890411.

11409830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11409830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570482 + ... + 570501.

It is an arithmetic number, because the mean of its divisors is an integer number (2567214).

Almost surely, 2^11409830 is an apocalyptic number.

11409830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11409830 is a deficient number, since it is larger than the sum of its proper divisors (9127882).

11409830 is a wasteful number, since it uses less digits than its factorization.

11409830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140990.

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

The square root of 11409830 is about 3377.8439869242. The cubic root of 11409830 is about 225.1263816735.

The spelling of 11409830 in words is "eleven million, four hundred nine thousand, eight hundred thirty".