697903 has 8 divisors (see below), whose sum is σ = 737280. Its totient is φ = 659640.

The previous prime is 697897. The next prime is 697909. The reversal of 697903 is 309796.

697903 is nontrivially palindromic in base 15.

It is an interprime number because it is at equal distance from previous prime (697897) and next prime (697909).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-697903 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 (697909) 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 in 7 ways as a sum of consecutive naturals, for example, 1218 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (92160).

2⁶⁹⁷⁹⁰³ is an apocalyptic number.

697903 is a deficient number, since it is larger than the sum of its proper divisors (39377).

697903 is a wasteful number, since it uses less digits than its factorization.

697903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 697903 is about 835.4058893735. The cubic root of 697903 is about 88.7016479330.

It can be divided in two parts, 697 and 903, that added together give a square (1600 = 40²).

The spelling of 697903 in words is "six hundred ninety-seven thousand, nine hundred three".