105790489 has 4 divisors (see below), whose sum is σ = 120903424. Its totient is φ = 90677556.

The previous prime is 105790483. The next prime is 105790519. The reversal of 105790489 is 984097501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984097501 = 229 ⋅4297369.

It is a cyclic number.

It is not a de Polignac number, because 105790489 - 2⁷ = 105790361 is a prime.

It is a super-2 number, since 2×105790489² = 22383255125718242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105790483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7556457 + ... + 7556470.

It is an arithmetic number, because the mean of its divisors is an integer number (30225856).

Almost surely, 2^105790489 is an apocalyptic number.

It is an amenable number.

105790489 is a deficient number, since it is larger than the sum of its proper divisors (15112935).

105790489 is an equidigital number, since it uses as much as digits as its factorization.

105790489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112934.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 105790489 is about 10285.4503547487. The cubic root of 105790489 is about 472.9503394741.

The spelling of 105790489 in words is "one hundred five million, seven hundred ninety thousand, four hundred eighty-nine".