105898663 has 8 divisors (see below), whose sum is σ = 114706368. Its totient is φ = 97185504.

The previous prime is 105898643. The next prime is 105898673. The reversal of 105898663 is 366898501.

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

It is a de Polignac number, because none of the positive numbers 2^k-105898663 is a prime.

It is a super-2 number, since 2×105898663² = 22429053650375138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105898603) 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, 21295 + ... + 25792.

It is an arithmetic number, because the mean of its divisors is an integer number (14338296).

Almost surely, 2^105898663 is an apocalyptic number.

105898663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105898663 is a deficient number, since it is larger than the sum of its proper divisors (8807705).

105898663 is a wasteful number, since it uses less digits than its factorization.

105898663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47273.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 105898663 is about 10290.7076044361. The cubic root of 105898663 is about 473.1114866073. Note that the first 3 decimals are identical.

The spelling of 105898663 in words is "one hundred five million, eight hundred ninety-eight thousand, six hundred sixty-three".