655446 has 16 divisors (see below), whose sum is σ = 1430208. Its totient is φ = 198600.

The previous prime is 655439. The next prime is 655453. The reversal of 655446 is 644556.

It is an interprime number because it is at equal distance from previous prime (655439) and next prime (655453).

It is a congruent number.

It is an unprimeable number.

655446 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, 4900 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (89388).

2⁶⁵⁵⁴⁴⁶ is an apocalyptic number.

655446 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

655446 is an abundant number, since it is smaller than the sum of its proper divisors (774762).

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

655446 is a wasteful number, since it uses less digits than its factorization.

655446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947.

The product of its digits is 14400, while the sum is 30.

The square root of 655446 is about 809.5961956432. The cubic root of 655446 is about 86.8651630426.

The spelling of 655446 in words is "six hundred fifty-five thousand, four hundred forty-six".