105866438 has 8 divisors (see below), whose sum is σ = 160050432. Its totient is φ = 52516296.

The previous prime is 105866413. The next prime is 105866441. The reversal of 105866438 is 834668501.

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

It is a super-2 number, since 2×105866438² = 22415405389615688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105866395 and 105866404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208145 + ... + 208652.

It is an arithmetic number, because the mean of its divisors is an integer number (20006304).

Almost surely, 2^105866438 is an apocalyptic number.

105866438 is a deficient number, since it is larger than the sum of its proper divisors (54183994).

105866438 is a wasteful number, since it uses less digits than its factorization.

105866438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416926.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 105866438 is about 10289.1417523523. The cubic root of 105866438 is about 473.0634924087.

The spelling of 105866438 in words is "one hundred five million, eight hundred sixty-six thousand, four hundred thirty-eight".