662347 has 4 divisors (see below), whose sum is σ = 756976. Its totient is φ = 567720.

The previous prime is 662339. The next prime is 662351. The reversal of 662347 is 743266.

662347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743266 = 2 ⋅371633.

It is a cyclic number.

It is not a de Polignac number, because 662347 - 2³ = 662339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662327) 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, 47304 + ... + 47317.

It is an arithmetic number, because the mean of its divisors is an integer number (189244).

2⁶⁶²³⁴⁷ is an apocalyptic number.

662347 is a deficient number, since it is larger than the sum of its proper divisors (94629).

662347 is an equidigital number, since it uses as much as digits as its factorization.

662347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94628.

The product of its digits is 6048, while the sum is 28.

The square root of 662347 is about 813.8470372251. The cubic root of 662347 is about 87.1689586648.

It can be divided in two parts, 6623 and 47, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 662347 in words is "six hundred sixty-two thousand, three hundred forty-seven".