693996189 has 8 divisors (see below), whose sum is σ = 928304832. Its totient is φ = 461175840.

The previous prime is 693996143. The next prime is 693996197. The reversal of 693996189 is 981699396.

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

It is not a de Polignac number, because 693996189 - 2⁸ = 693995933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693946189) 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, 370984 + ... + 372849.

It is an arithmetic number, because the mean of its divisors is an integer number (116038104).

Almost surely, 2^693996189 is an apocalyptic number.

It is an amenable number.

693996189 is a deficient number, since it is larger than the sum of its proper divisors (234308643).

693996189 is a wasteful number, since it uses less digits than its factorization.

693996189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744147.

The product of its digits is 5668704, while the sum is 60.

The square root of 693996189 is about 26343.8074127488. The cubic root of 693996189 is about 885.3582296453.

The spelling of 693996189 in words is "six hundred ninety-three million, nine hundred ninety-six thousand, one hundred eighty-nine".