8130838 has 8 divisors (see below), whose sum is σ = 12350880. Its totient is φ = 4013880.

The previous prime is 8130821. The next prime is 8130839. The reversal of 8130838 is 8380318.

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

It is a super-2 number, since 2×8130838² = 132221053164488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25573 + ... + 25888.

It is an arithmetic number, because the mean of its divisors is an integer number (1543860).

Almost surely, 2^8130838 is an apocalyptic number.

8130838 is a deficient number, since it is larger than the sum of its proper divisors (4220042).

8130838 is a wasteful number, since it uses less digits than its factorization.

8130838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51542.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8130838 is about 2851.4624318058. The cubic root of 8130838 is about 201.0844261392.

The spelling of 8130838 in words is "eight million, one hundred thirty thousand, eight hundred thirty-eight".