8101830 has 32 divisors (see below), whose sum is σ = 21212928. Its totient is φ = 1964000.

The previous prime is 8101823. The next prime is 8101831. The reversal of 8101830 is 381018.

It is a happy number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8101797 and 8101806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11946 + ... + 12605.

It is an arithmetic number, because the mean of its divisors is an integer number (662904).

Almost surely, 2^8101830 is an apocalyptic number.

8101830 is an abundant number, since it is smaller than the sum of its proper divisors (13111098).

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

8101830 is a wasteful number, since it uses less digits than its factorization.

8101830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24572.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 8101830 is about 2846.3713742237. The cubic root of 8101830 is about 200.8450081117.

Adding to 8101830 its reverse (381018), we get a palindrome (8482848).

The spelling of 8101830 in words is "eight million, one hundred one thousand, eight hundred thirty".