662448 has 40 divisors (see below), whose sum is σ = 1762288. Its totient is φ = 214272.

The previous prime is 662443. The next prime is 662449. The reversal of 662448 is 844266.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662443) by changing a digit.

662448 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, 1590 + ... + 1962.

2⁶⁶²⁴⁴⁸ 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 662448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881144).

662448 is an abundant number, since it is smaller than the sum of its proper divisors (1099840).

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

662448 is a wasteful number, since it uses less digits than its factorization.

662448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 415 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 662448 is about 813.9090858321. The cubic root of 662448 is about 87.1733891810.

The spelling of 662448 in words is "six hundred sixty-two thousand, four hundred forty-eight".