193668432 has 20 divisors (see below), whose sum is σ = 500310240. Its totient is φ = 64556128.

The previous prime is 193668427. The next prime is 193668443. The reversal of 193668432 is 234866391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017332 + ... + 2017427.

It is an arithmetic number, because the mean of its divisors is an integer number (25015512).

Almost surely, 2^193668432 is an apocalyptic number.

193668432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193668432 is an abundant number, since it is smaller than the sum of its proper divisors (306641808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193668432 is a wasteful number, since it uses less digits than its factorization.

193668432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034770 (or 4034764 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 193668432 is about 13916.4805895744. The cubic root of 193668432 is about 578.5660494808.

The spelling of 193668432 in words is "one hundred ninety-three million, six hundred sixty-eight thousand, four hundred thirty-two".