108436861 has 8 divisors (see below), whose sum is σ = 116895744. Its totient is φ = 99994800.

The previous prime is 108436847. The next prime is 108436871. The reversal of 108436861 is 168634801.

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

It is a cyclic number.

It is not a de Polignac number, because 108436861 - 2¹¹ = 108434813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108436861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108436831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11340 + ... + 18586.

It is an arithmetic number, because the mean of its divisors is an integer number (14611968).

Almost surely, 2^108436861 is an apocalyptic number.

It is an amenable number.

108436861 is a deficient number, since it is larger than the sum of its proper divisors (8458883).

108436861 is a wasteful number, since it uses less digits than its factorization.

108436861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 108436861 is about 10413.3021179643. The cubic root of 108436861 is about 476.8615569523.

The spelling of 108436861 in words is "one hundred eight million, four hundred thirty-six thousand, eight hundred sixty-one".