193242087 has 12 divisors (see below), whose sum is σ = 279706960. Its totient is φ = 128560608.

The previous prime is 193242079. The next prime is 193242089. The reversal of 193242087 is 780242391.

It is not a de Polignac number, because 193242087 - 2³ = 193242079 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 (193242089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17662 + ... + 26427.

Almost surely, 2^193242087 is an apocalyptic number.

193242087 is a deficient number, since it is larger than the sum of its proper divisors (86464873).

193242087 is a wasteful number, since it uses less digits than its factorization.

193242087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44582 (or 44579 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 193242087 is about 13901.1541607163. The cubic root of 193242087 is about 578.1411824913.

The spelling of 193242087 in words is "one hundred ninety-three million, two hundred forty-two thousand, eighty-seven".