105556404 has 24 divisors (see below), whose sum is σ = 254792160. Its totient is φ = 33972064.

The previous prime is 105556393. The next prime is 105556421. The reversal of 105556404 is 404655501.

It is a super-2 number, since 2×105556404² = 22284308850822432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 151314 + ... + 152009.

It is an arithmetic number, because the mean of its divisors is an integer number (10616340).

Almost surely, 2^105556404 is an apocalyptic number.

It is an amenable number.

105556404 is an abundant number, since it is smaller than the sum of its proper divisors (149235756).

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

105556404 is a wasteful number, since it uses less digits than its factorization.

105556404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303359 (or 303357 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 105556404 is about 10274.0646289577. The cubic root of 105556404 is about 472.6012459055.

It can be divided in two parts, 105556 and 404, that multiplied together give a palindrome (42644624).

The spelling of 105556404 in words is "one hundred five million, five hundred fifty-six thousand, four hundred four".