806662 has 4 divisors (see below), whose sum is σ = 1209996. Its totient is φ = 403330.

The previous prime is 806657. The next prime is 806671. The reversal of 806662 is 266608.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 806662.

It is a congruent number.

It is an unprimeable number.

806662 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, 201664 + ... + 201667.

It is an arithmetic number, because the mean of its divisors is an integer number (302499).

2⁸⁰⁶⁶⁶² is an apocalyptic number.

806662 is a deficient number, since it is larger than the sum of its proper divisors (403334).

806662 is a wasteful number, since it uses less digits than its factorization.

806662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403333.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 806662 is about 898.1436410731. The cubic root of 806662 is about 93.0887502112.

It can be divided in two parts, 8066 and 62, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 806662 in words is "eight hundred six thousand, six hundred sixty-two".