105842638 has 16 divisors (see below), whose sum is σ = 174466224. Its totient is φ = 47757760.

The previous prime is 105842599. The next prime is 105842641. The reversal of 105842638 is 836248501.

It is a happy number.

It is a super-2 number, since 2×105842638² = 22405328037598088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105842597 and 105842606.

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, 14545 + ... + 20572.

It is an arithmetic number, because the mean of its divisors is an integer number (10904139).

Almost surely, 2^105842638 is an apocalyptic number.

105842638 is a deficient number, since it is larger than the sum of its proper divisors (68623586).

105842638 is a wasteful number, since it uses less digits than its factorization.

105842638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35267.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 105842638 is about 10287.9851282941. The cubic root of 105842638 is about 473.0280397033.

The spelling of 105842638 in words is "one hundred five million, eight hundred forty-two thousand, six hundred thirty-eight".