10209830 has 16 divisors (see below), whose sum is σ = 18600624. Its totient is φ = 4034400.

The previous prime is 10209803. The next prime is 10209863. The reversal of 10209830 is 3890201.

10209830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10209796 and 10209805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5321 + ... + 6980.

It is an arithmetic number, because the mean of its divisors is an integer number (1162539).

Almost surely, 2^10209830 is an apocalyptic number.

10209830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10209830 is a deficient number, since it is larger than the sum of its proper divisors (8390794).

10209830 is a wasteful number, since it uses less digits than its factorization.

10209830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12391.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10209830 is about 3195.2824601277. The cubic root of 10209830 is about 216.9399339652.

The spelling of 10209830 in words is "ten million, two hundred nine thousand, eight hundred thirty".