662388 has 36 divisors (see below), whose sum is σ = 1650432. Its totient is φ = 206720.

The previous prime is 662369. The next prime is 662401. The reversal of 662388 is 883266.

662388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662388.

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, 3373 + ... + 3563.

2⁶⁶²³⁸⁸ is an apocalyptic number.

662388 is a gapful number since it is divisible by the number (68) 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 662388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825216).

662388 is an abundant number, since it is smaller than the sum of its proper divisors (988044).

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

662388 is a wasteful number, since it uses less digits than its factorization.

662388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 213 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 662388 is about 813.8722258438. The cubic root of 662388 is about 87.1707572455.

The spelling of 662388 in words is "six hundred sixty-two thousand, three hundred eighty-eight".