662140 has 12 divisors (see below), whose sum is σ = 1390536. Its totient is φ = 264848.

The previous prime is 662111. The next prime is 662141. The reversal of 662140 is 41266.

662140 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 not an unprimeable number, because it can be changed into a prime (662141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16534 + ... + 16573.

It is an arithmetic number, because the mean of its divisors is an integer number (115878).

2⁶⁶²¹⁴⁰ is an apocalyptic number.

It is an amenable number.

662140 is an abundant number, since it is smaller than the sum of its proper divisors (728396).

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

662140 is a wasteful number, since it uses less digits than its factorization.

662140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33116 (or 33114 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 662140 is about 813.7198535123. The cubic root of 662140 is about 87.1598768922.

The spelling of 662140 in words is "six hundred sixty-two thousand, one hundred forty".