662397 has 8 divisors (see below), whose sum is σ = 929760. Its totient is φ = 418320.

The previous prime is 662369. The next prime is 662401. The reversal of 662397 is 793266.

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

It is not a de Polignac number, because 662397 - 2⁸ = 662141 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 6⁵ + 3⁷ + 2¹¹ + 9⁶ + 7⁶ .

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 5754 + ... + 5867.

It is an arithmetic number, because the mean of its divisors is an integer number (116220).

2⁶⁶²³⁹⁷ is an apocalyptic number.

It is an amenable number.

662397 is a deficient number, since it is larger than the sum of its proper divisors (267363).

662397 is a wasteful number, since it uses less digits than its factorization.

662397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643.

The product of its digits is 13608, while the sum is 33.

The square root of 662397 is about 813.8777549485. The cubic root of 662397 is about 87.1711520460.

The spelling of 662397 in words is "six hundred sixty-two thousand, three hundred ninety-seven".