663462 has 48 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 201600.

The previous prime is 663437. The next prime is 663463. The reversal of 663462 is 264366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16162 + ... + 16202.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2⁶⁶³⁴⁶² is an apocalyptic number.

663462 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 663462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

663462 is an abundant number, since it is smaller than the sum of its proper divisors (909018).

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

663462 is a wasteful number, since it uses less digits than its factorization.

663462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 106 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 663462 is about 814.5317673363. The cubic root of 663462 is about 87.2178448736.

The spelling of 663462 in words is "six hundred sixty-three thousand, four hundred sixty-two".