105590438 has 8 divisors (see below), whose sum is σ = 158526720. Its totient is φ = 52748200.

The previous prime is 105590431. The next prime is 105590449. The reversal of 105590438 is 834095501.

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

It is a super-2 number, since 2×105590438² = 22298681194063688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105590398 and 105590407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105590431) 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, 20633 + ... + 25236.

It is an arithmetic number, because the mean of its divisors is an integer number (19815840).

Almost surely, 2^105590438 is an apocalyptic number.

105590438 is a deficient number, since it is larger than the sum of its proper divisors (52936282).

105590438 is a wasteful number, since it uses less digits than its factorization.

105590438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47022.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 105590438 is about 10275.7208019681. The cubic root of 105590438 is about 472.6520332312.

The spelling of 105590438 in words is "one hundred five million, five hundred ninety thousand, four hundred thirty-eight".