662662 has 32 divisors (see below), whose sum is σ = 1338624. Its totient is φ = 237600.

The previous prime is 662657. The next prime is 662671. The reversal of 662662 is 266266.

It is a self number, because there is not a number n which added to its sum of digits gives 662662.

It is a congruent number.

It is an unprimeable number.

662662 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 in 15 ways as a sum of consecutive naturals, for example, 1837 + ... + 2167.

It is an arithmetic number, because the mean of its divisors is an integer number (41832).

2⁶⁶²⁶⁶² is an apocalyptic number.

662662 is an abundant number, since it is smaller than the sum of its proper divisors (675962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662662 is a wasteful number, since it uses less digits than its factorization.

662662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its digits is 5184, while the sum is 28.

The square root of 662662 is about 814.0405395310. The cubic root of 662662 is about 87.1827751237.

The spelling of 662662 in words is "six hundred sixty-two thousand, six hundred sixty-two".