193731468 has 24 divisors (see below), whose sum is σ = 516617472. Its totient is φ = 55351824.

The previous prime is 193731451. The next prime is 193731479. The reversal of 193731468 is 864137391.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153080 + ... + 1153247.

It is an arithmetic number, because the mean of its divisors is an integer number (21525728).

Almost surely, 2^193731468 is an apocalyptic number.

It is an amenable number.

193731468 is an abundant number, since it is smaller than the sum of its proper divisors (322886004).

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

193731468 is a wasteful number, since it uses less digits than its factorization.

193731468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306341 (or 2306339 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 193731468 is about 13918.7452020647. The cubic root of 193731468 is about 578.6288140263.

The spelling of 193731468 in words is "one hundred ninety-three million, seven hundred thirty-one thousand, four hundred sixty-eight".