9158955 has 24 divisors (see below), whose sum is σ = 15872688. Its totient is φ = 4507776.

The previous prime is 9158953. The next prime is 9158977. The reversal of 9158955 is 5598519.

It is a happy number.

It is not a de Polignac number, because 9158955 - 2¹ = 9158953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9158953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729 + ... + 4341.

It is an arithmetic number, because the mean of its divisors is an integer number (661362).

Almost surely, 2^9158955 is an apocalyptic number.

9158955 is a deficient number, since it is larger than the sum of its proper divisors (6713733).

9158955 is a wasteful number, since it uses less digits than its factorization.

9158955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647 (or 3634 counting only the distinct ones).

The product of its digits is 81000, while the sum is 42.

The square root of 9158955 is about 3026.3765463009. The cubic root of 9158955 is about 209.2258343502.

It can be divided in two parts, 915 and 8955, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 9158955 in words is "nine million, one hundred fifty-eight thousand, nine hundred fifty-five".