693973 has 4 divisors (see below), whose sum is σ = 793120. Its totient is φ = 594828.

The previous prime is 693967. The next prime is 693989. The reversal of 693973 is 379396.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 693973 - 2¹³ = 685781 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 (693943) 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 3 ways as a sum of consecutive naturals, for example, 49563 + ... + 49576.

It is an arithmetic number, because the mean of its divisors is an integer number (198280).

2⁶⁹³⁹⁷³ is an apocalyptic number.

It is an amenable number.

693973 is a deficient number, since it is larger than the sum of its proper divisors (99147).

693973 is an equidigital number, since it uses as much as digits as its factorization.

693973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99146.

The product of its digits is 30618, while the sum is 37.

The square root of 693973 is about 833.0504186422. The cubic root of 693973 is about 88.5348368496.

The spelling of 693973 in words is "six hundred ninety-three thousand, nine hundred seventy-three".