662544 has 60 divisors (see below), whose sum is σ = 1915056. Its totient is φ = 213696.

The previous prime is 662539. The next prime is 662551. The reversal of 662544 is 445266.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6139 + ... + 6245.

2⁶⁶²⁵⁴⁴ 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 662544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957528).

662544 is an abundant number, since it is smaller than the sum of its proper divisors (1252512).

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

662544 is a wasteful number, since it uses less digits than its factorization.

662544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 155 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 662544 is about 813.9680583414. The cubic root of 662544 is about 87.1775999473.

The spelling of 662544 in words is "six hundred sixty-two thousand, five hundred forty-four".