8149830 has 32 divisors (see below), whose sum is σ = 21065184. Its totient is φ = 2006016.

The previous prime is 8149789. The next prime is 8149831. The reversal of 8149830 is 389418.

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 = 8149791 and 8149800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10059 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (658287).

Almost surely, 2^8149830 is an apocalyptic number.

8149830 is an abundant number, since it is smaller than the sum of its proper divisors (12915354).

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

8149830 is a wasteful number, since it uses less digits than its factorization.

8149830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20920.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8149830 is about 2854.7907103674. The cubic root of 8149830 is about 201.2408686365.

The spelling of 8149830 in words is "eight million, one hundred forty-nine thousand, eight hundred thirty".