662404 has 6 divisors (see below), whose sum is σ = 1159214. Its totient is φ = 331200.

The previous prime is 662401. The next prime is 662407. The reversal of 662404 is 404266.

It is an interprime number because it is at equal distance from previous prime (662401) and next prime (662407).

It can be written as a sum of positive squares in only one way, i.e., 636804 + 25600 = 798^2 + 160^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (662401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82797 + ... + 82804.

2⁶⁶²⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

662404 is a deficient number, since it is larger than the sum of its proper divisors (496810).

662404 is a wasteful number, since it uses less digits than its factorization.

662404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165605 (or 165603 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 662404 is about 813.8820553373. The cubic root of 662404 is about 87.1714591105.

The spelling of 662404 in words is "six hundred sixty-two thousand, four hundred four".