693828189 has 24 divisors (see below), whose sum is σ = 1047526272. Its totient is φ = 441698400.

The previous prime is 693828173. The next prime is 693828193. The reversal of 693828189 is 981828396.

It is a happy number.

It is not a de Polignac number, because 693828189 - 2⁴ = 693828173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693828169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137664 + ... + 142614.

It is an arithmetic number, because the mean of its divisors is an integer number (43646928).

Almost surely, 2^693828189 is an apocalyptic number.

693828189 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

693828189 is a deficient number, since it is larger than the sum of its proper divisors (353698083).

693828189 is a wasteful number, since it uses less digits than its factorization.

693828189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657 (or 5654 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 693828189 is about 26340.6186146036. The cubic root of 693828189 is about 885.2867824776.

The spelling of 693828189 in words is "six hundred ninety-three million, eight hundred twenty-eight thousand, one hundred eighty-nine".