8961958 has 16 divisors (see below), whose sum is σ = 14983920. Its totient is φ = 3995136.

The previous prime is 8961943. The next prime is 8961959. The reversal of 8961958 is 8591698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8961959) 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 7 ways as a sum of consecutive naturals, for example, 6291 + ... + 7582.

It is an arithmetic number, because the mean of its divisors is an integer number (936495).

Almost surely, 2^8961958 is an apocalyptic number.

8961958 is a deficient number, since it is larger than the sum of its proper divisors (6021962).

8961958 is a wasteful number, since it uses less digits than its factorization.

8961958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13911.

The product of its digits is 155520, while the sum is 46.

The square root of 8961958 is about 2993.6529524980. The cubic root of 8961958 is about 207.7148922927.

The spelling of 8961958 in words is "eight million, nine hundred sixty-one thousand, nine hundred fifty-eight".