660338 has 16 divisors (see below), whose sum is σ = 1145664. Its totient is φ = 279600.

The previous prime is 660337. The next prime is 660347. The reversal of 660338 is 833066.

It is not an unprimeable number, because it can be changed into a prime (660337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (71604).

2⁶⁶⁰³³⁸ is an apocalyptic number.

660338 is a deficient number, since it is larger than the sum of its proper divisors (485326).

660338 is a wasteful number, since it uses less digits than its factorization.

660338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 660338 is about 812.6118384567. The cubic root of 660338 is about 87.0807371361.

The spelling of 660338 in words is "six hundred sixty thousand, three hundred thirty-eight".