11428830 has 64 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 2611872.

The previous prime is 11428829. The next prime is 11428853. The reversal of 11428830 is 3882411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11428794 and 11428803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1134 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 2^11428830 is an apocalyptic number.

11428830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11428830 is an abundant number, since it is smaller than the sum of its proper divisors (23407650).

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

11428830 is a wasteful number, since it uses less digits than its factorization.

11428830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070 (or 6064 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 11428830 is about 3380.6552619278. The cubic root of 11428830 is about 225.2512748331.

The spelling of 11428830 in words is "eleven million, four hundred twenty-eight thousand, eight hundred thirty".