693997 has 8 divisors (see below), whose sum is σ = 730112. Its totient is φ = 658800.

The previous prime is 693989. The next prime is 694019. The reversal of 693997 is 799396.

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

It is not a de Polignac number, because 693997 - 2³ = 693989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (91264).

2⁶⁹³⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

693997 is a deficient number, since it is larger than the sum of its proper divisors (36115).

693997 is a wasteful number, since it uses less digits than its factorization.

693997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its digits is 91854, while the sum is 43.

The square root of 693997 is about 833.0648234081. The cubic root of 693997 is about 88.5358574520.

The spelling of 693997 in words is "six hundred ninety-three thousand, nine hundred ninety-seven".