662479 has 4 divisors (see below), whose sum is σ = 666360. Its totient is φ = 658600.

The previous prime is 662477. The next prime is 662483. The reversal of 662479 is 974266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974266 = 2 ⋅487133.

It is a cyclic number.

It is not a de Polignac number, because 662479 - 2¹ = 662477 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662477) 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, 1672 + ... + 2029.

It is an arithmetic number, because the mean of its divisors is an integer number (166590).

2⁶⁶²⁴⁷⁹ is an apocalyptic number.

662479 is a deficient number, since it is larger than the sum of its proper divisors (3881).

662479 is a wasteful number, since it uses less digits than its factorization.

662479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880.

The product of its digits is 18144, while the sum is 34.

The square root of 662479 is about 813.9281295053. The cubic root of 662479 is about 87.1747489521.

The spelling of 662479 in words is "six hundred sixty-two thousand, four hundred seventy-nine".