662464 has 28 divisors (see below), whose sum is σ = 1435608. Its totient is φ = 300800.

The previous prime is 662449. The next prime is 662477. The reversal of 662464 is 464266.

662464 is nontrivially palindromic in base 7.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

662464 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 3 ways as a sum of consecutive naturals, for example, 234 + ... + 1174.

2⁶⁶²⁴⁶⁴ is an apocalyptic number.

662464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717804).

662464 is an abundant number, since it is smaller than the sum of its proper divisors (773144).

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

662464 is a wasteful number, since it uses less digits than its factorization.

662464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 954 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 662464 is about 813.9189148803. The cubic root of 662464 is about 87.1740910036.

The spelling of 662464 in words is "six hundred sixty-two thousand, four hundred sixty-four".