662903 has 4 divisors (see below), whose sum is σ = 664608. Its totient is φ = 661200.

The previous prime is 662899. The next prime is 662917. The reversal of 662903 is 309266.

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

It is a cyclic number.

It is not a de Polignac number, because 662903 - 2² = 662899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 1152.

It is an arithmetic number, because the mean of its divisors is an integer number (166152).

2⁶⁶²⁹⁰³ is an apocalyptic number.

662903 is a deficient number, since it is larger than the sum of its proper divisors (1705).

662903 is a wasteful number, since it uses less digits than its factorization.

662903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 662903 is about 814.1885531006. The cubic root of 662903 is about 87.1933428551.

The spelling of 662903 in words is "six hundred sixty-two thousand, nine hundred three".