105843388 has 24 divisors (see below), whose sum is σ = 218988000. Its totient is φ = 43796928.

The previous prime is 105843379. The next prime is 105843407. The reversal of 105843388 is 883348501.

It is a super-2 number, since 2×105843388² = 22405645566637088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 105843388.

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, 64363 + ... + 65986.

It is an arithmetic number, because the mean of its divisors is an integer number (9124500).

Almost surely, 2^105843388 is an apocalyptic number.

It is an amenable number.

105843388 is an abundant number, since it is smaller than the sum of its proper divisors (113144612).

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

105843388 is a wasteful number, since it uses less digits than its factorization.

105843388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130389 (or 130387 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 105843388 is about 10288.0215785155. The cubic root of 105843388 is about 473.0291569915.

The spelling of 105843388 in words is "one hundred five million, eight hundred forty-three thousand, three hundred eighty-eight".