109958 has 4 divisors (see below), whose sum is σ = 164940. Its totient is φ = 54978.

The previous prime is 109943. The next prime is 109961. The reversal of 109958 is 859901.

109958 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109958.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27488 + ... + 27491.

It is an arithmetic number, because the mean of its divisors is an integer number (41235).

2¹⁰⁹⁹⁵⁸ is an apocalyptic number.

109958 is a deficient number, since it is larger than the sum of its proper divisors (54982).

109958 is an equidigital number, since it uses as much as digits as its factorization.

109958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54981.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 109958 is about 331.5991556081. The cubic root of 109958 is about 47.9080996236.

The spelling of 109958 in words is "one hundred nine thousand, nine hundred fifty-eight".