662804 has 6 divisors (see below), whose sum is σ = 1159914. Its totient is φ = 331400.

The previous prime is 662797. The next prime is 662819. The reversal of 662804 is 408266.

It can be written as a sum of positive squares in only one way, i.e., 643204 + 19600 = 802^2 + 140^2 .

It is a congruent number.

It is an unprimeable number.

662804 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82847 + ... + 82854.

It is an arithmetic number, because the mean of its divisors is an integer number (193319).

2⁶⁶²⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

662804 is a deficient number, since it is larger than the sum of its proper divisors (497110).

662804 is a wasteful number, since it uses less digits than its factorization.

662804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165705 (or 165703 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 662804 is about 814.1277541025. The cubic root of 662804 is about 87.1890020639.

The spelling of 662804 in words is "six hundred sixty-two thousand, eight hundred four".