193493238 has 16 divisors (see below), whose sum is σ = 387768000. Its totient is φ = 64367496.

The previous prime is 193493233. The next prime is 193493243. The reversal of 193493238 is 832394391.

It is an interprime number because it is at equal distance from previous prime (193493233) and next prime (193493243).

It is a self number, because there is not a number n which added to its sum of digits gives 193493238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193493233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29320 + ... + 35307.

It is an arithmetic number, because the mean of its divisors is an integer number (24235500).

Almost surely, 2^193493238 is an apocalyptic number.

193493238 is an abundant number, since it is smaller than the sum of its proper divisors (194274762).

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

193493238 is a wasteful number, since it uses less digits than its factorization.

193493238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65131.

The product of its digits is 139968, while the sum is 42.

The square root of 193493238 is about 13910.1846860493. The cubic root of 193493238 is about 578.3915383694.

The spelling of 193493238 in words is "one hundred ninety-three million, four hundred ninety-three thousand, two hundred thirty-eight".