662487 has 8 divisors (see below), whose sum is σ = 1009536. Its totient is φ = 378552.

The previous prime is 662483. The next prime is 662491. The reversal of 662487 is 784266.

662487 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (662483) and next prime (662491).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662487 - 2² = 662483 is a prime.

662487 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15753 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (126192).

2⁶⁶²⁴⁸⁷ is an apocalyptic number.

662487 is a deficient number, since it is larger than the sum of its proper divisors (347049).

662487 is a wasteful number, since it uses less digits than its factorization.

662487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31557.

The product of its digits is 16128, while the sum is 33.

The square root of 662487 is about 813.9330439293. The cubic root of 662487 is about 87.1750998539.

The spelling of 662487 in words is "six hundred sixty-two thousand, four hundred eighty-seven".