105698491 has 8 divisors (see below), whose sum is σ = 106776464. Its totient is φ = 104626080.

The previous prime is 105698479. The next prime is 105698507. The reversal of 105698491 is 194896501.

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 105698491 - 2¹¹ = 105696443 is a prime.

It is a super-2 number, since 2×105698491² = 22344341999354162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105698191) 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, 43981 + ... + 46321.

It is an arithmetic number, because the mean of its divisors is an integer number (13347058).

Almost surely, 2^105698491 is an apocalyptic number.

105698491 is a deficient number, since it is larger than the sum of its proper divisors (1077973).

105698491 is a wasteful number, since it uses less digits than its factorization.

105698491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 105698491 is about 10280.9771422759. The cubic root of 105698491 is about 472.8132033149.

The spelling of 105698491 in words is "one hundred five million, six hundred ninety-eight thousand, four hundred ninety-one".