662240 has 24 divisors (see below), whose sum is σ = 1564920. Its totient is φ = 264832.

The previous prime is 662231. The next prime is 662251. The reversal of 662240 is 42266.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

662240 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, 1910 + ... + 2229.

It is an arithmetic number, because the mean of its divisors is an integer number (65205).

2⁶⁶²²⁴⁰ is an apocalyptic number.

It is an amenable number.

662240 is an abundant number, since it is smaller than the sum of its proper divisors (902680).

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

662240 is a wasteful number, since it uses less digits than its factorization.

662240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154 (or 4146 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 662240 is about 813.7812974012. The cubic root of 662240 is about 87.1642644583.

The spelling of 662240 in words is "six hundred sixty-two thousand, two hundred forty".