958109 has 4 divisors (see below), whose sum is σ = 962016. Its totient is φ = 954204.

The previous prime is 958063. The next prime is 958121. The reversal of 958109 is 901859.

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: 901859 = 7 ⋅128837.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-958109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (958159) 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, 1559 + ... + 2084.

It is an arithmetic number, because the mean of its divisors is an integer number (240504).

2⁹⁵⁸¹⁰⁹ is an apocalyptic number.

It is an amenable number.

958109 is a deficient number, since it is larger than the sum of its proper divisors (3907).

958109 is a wasteful number, since it uses less digits than its factorization.

958109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

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

The square root of 958109 is about 978.8304245374. The cubic root of 958109 is about 98.5836680774.

The spelling of 958109 in words is "nine hundred fifty-eight thousand, one hundred nine".