958660 has 12 divisors (see below), whose sum is σ = 2013228. Its totient is φ = 383456.

The previous prime is 958637. The next prime is 958667. The reversal of 958660 is 66859.

It can be written as a sum of positive squares in 2 ways, for example, as 419904 + 538756 = 648^2 + 734^2 .

It is not an unprimeable number, because it can be changed into a prime (958667) by changing a digit.

958660 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23947 + ... + 23986.

It is an arithmetic number, because the mean of its divisors is an integer number (167769).

2⁹⁵⁸⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

958660 is an abundant number, since it is smaller than the sum of its proper divisors (1054568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

958660 is a wasteful number, since it uses less digits than its factorization.

958660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47942 (or 47940 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 958660 is about 979.1118424368. Note that the first 3 decimals coincide. The cubic root of 958660 is about 98.6025626539.

The spelling of 958660 in words is "nine hundred fifty-eight thousand, six hundred sixty".