476644 has 24 divisors (see below), whose sum is σ = 987840. Its totient is φ = 196896.

The previous prime is 476639. The next prime is 476647. The reversal of 476644 is 446674.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (476647) 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, 519 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (41160).

2⁴⁷⁶⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 476644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493920).

476644 is an abundant number, since it is smaller than the sum of its proper divisors (511196).

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

476644 is a wasteful number, since it uses less digits than its factorization.

476644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 476644 is about 690.3940903571. The cubic root of 476644 is about 78.1144495619.

The spelling of 476644 in words is "four hundred seventy-six thousand, six hundred forty-four".