105898799 has 4 divisors (see below), whose sum is σ = 111472440. Its totient is φ = 100325160.

The previous prime is 105898783. The next prime is 105898811. The reversal of 105898799 is 997898501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997898501 = 47 ⋅21231883.

It is a cyclic number.

It is not a de Polignac number, because 105898799 - 2⁴ = 105898783 is a prime.

It is a super-2 number, since 2×105898799² = 22429111259284802, 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 (105898769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2786792 + ... + 2786829.

It is an arithmetic number, because the mean of its divisors is an integer number (27868110).

Almost surely, 2^105898799 is an apocalyptic number.

105898799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

105898799 is a deficient number, since it is larger than the sum of its proper divisors (5573641).

105898799 is an equidigital number, since it uses as much as digits as its factorization.

105898799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573640.

The product of its (nonzero) digits is 1632960, while the sum is 56.

The square root of 105898799 is about 10290.7142123373. The cubic root of 105898799 is about 473.1116891378. Note that the first 3 decimals are identical.

The spelling of 105898799 in words is "one hundred five million, eight hundred ninety-eight thousand, seven hundred ninety-nine".