662894 has 4 divisors (see below), whose sum is σ = 994344. Its totient is φ = 331446.

The previous prime is 662867. The next prime is 662897. The reversal of 662894 is 498266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498266 = 2 ⋅249133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165722 + ... + 165725.

It is an arithmetic number, because the mean of its divisors is an integer number (248586).

2⁶⁶²⁸⁹⁴ is an apocalyptic number.

662894 is a deficient number, since it is larger than the sum of its proper divisors (331450).

662894 is a wasteful number, since it uses less digits than its factorization.

662894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331449.

The product of its digits is 20736, while the sum is 35.

The square root of 662894 is about 814.1830261065. The cubic root of 662894 is about 87.1929482556.

The spelling of 662894 in words is "six hundred sixty-two thousand, eight hundred ninety-four".