193665942 has 12 divisors (see below), whose sum is σ = 419609580. Its totient is φ = 64555308.

The previous prime is 193665931. The next prime is 193665943. The reversal of 193665942 is 249566391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193665943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5379592 + ... + 5379627.

It is an arithmetic number, because the mean of its divisors is an integer number (34967465).

Almost surely, 2^193665942 is an apocalyptic number.

193665942 is an abundant number, since it is smaller than the sum of its proper divisors (225943638).

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

193665942 is a wasteful number, since it uses less digits than its factorization.

193665942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10759227 (or 10759224 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 193665942 is about 13916.3911270128. The cubic root of 193665942 is about 578.5635699240.

The spelling of 193665942 in words is "one hundred ninety-three million, six hundred sixty-five thousand, nine hundred forty-two".