105936621 has 16 divisors (see below), whose sum is σ = 161574528. Its totient is φ = 60480000.

The previous prime is 105936619. The next prime is 105936631. The reversal of 105936621 is 126639501.

It is a happy number.

It is not a de Polignac number, because 105936621 - 2¹ = 105936619 is a prime.

It is a super-2 number, since 2×105936621² = 22445135337795282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105936601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36421 + ... + 39221.

It is an arithmetic number, because the mean of its divisors is an integer number (10098408).

Almost surely, 2^105936621 is an apocalyptic number.

It is an amenable number.

105936621 is a deficient number, since it is larger than the sum of its proper divisors (55637907).

105936621 is a wasteful number, since it uses less digits than its factorization.

105936621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 105936621 is about 10292.5517244267. The cubic root of 105936621 is about 473.1680067436.

The spelling of 105936621 in words is "one hundred five million, nine hundred thirty-six thousand, six hundred twenty-one".