8361958 has 16 divisors (see below), whose sum is σ = 13976064. Its totient is φ = 3719560.

The previous prime is 8361953. The next prime is 8361961. The reversal of 8361958 is 8591638.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8361958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8361953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3010 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (873504).

Almost surely, 2^8361958 is an apocalyptic number.

8361958 is a deficient number, since it is larger than the sum of its proper divisors (5614106).

8361958 is a wasteful number, since it uses less digits than its factorization.

8361958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147.

The product of its digits is 51840, while the sum is 40.

The square root of 8361958 is about 2891.7050333670. The cubic root of 8361958 is about 202.9719359070.

The spelling of 8361958 in words is "eight million, three hundred sixty-one thousand, nine hundred fifty-eight".