660954 has 16 divisors (see below), whose sum is σ = 1510848. Its totient is φ = 188832.

The previous prime is 660949. The next prime is 660973. The reversal of 660954 is 459066.

660954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7827 + ... + 7910.

It is an arithmetic number, because the mean of its divisors is an integer number (94428).

2⁶⁶⁰⁹⁵⁴ is an apocalyptic number.

660954 is an abundant number, since it is smaller than the sum of its proper divisors (849894).

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

660954 is a wasteful number, since it uses less digits than its factorization.

660954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15749.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 660954 is about 812.9907748554. The cubic root of 660954 is about 87.1078066382.

The spelling of 660954 in words is "six hundred sixty thousand, nine hundred fifty-four".