105830638 has 4 divisors (see below), whose sum is σ = 158745960. Its totient is φ = 52915318.

The previous prime is 105830629. The next prime is 105830639. The reversal of 105830638 is 836038501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105830638² = 22400247878974088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105830639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26457658 + ... + 26457661.

It is an arithmetic number, because the mean of its divisors is an integer number (39686490).

Almost surely, 2^105830638 is an apocalyptic number.

105830638 is a deficient number, since it is larger than the sum of its proper divisors (52915322).

105830638 is an equidigital number, since it uses as much as digits as its factorization.

105830638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52915321.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 105830638 is about 10287.4019071873. The cubic root of 105830638 is about 473.0101623742.

The spelling of 105830638 in words is "one hundred five million, eight hundred thirty thousand, six hundred thirty-eight".