656146 has 16 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 300240.

The previous prime is 656141. The next prime is 656147. The reversal of 656146 is 641656.

It is not an unprimeable number, because it can be changed into a prime (656141) by changing a digit.

656146 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 7 ways as a sum of consecutive naturals, for example, 900 + ... + 1456.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2⁶⁵⁶¹⁴⁶ is an apocalyptic number.

656146 is a deficient number, since it is larger than the sum of its proper divisors (415214).

656146 is a wasteful number, since it uses less digits than its factorization.

656146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its digits is 4320, while the sum is 28.

The square root of 656146 is about 810.0283945640. The cubic root of 656146 is about 86.8960753175.

The spelling of 656146 in words is "six hundred fifty-six thousand, one hundred forty-six".