193218048 has 120 divisors (see below), whose sum is σ = 578666088. Its totient is φ = 64364544.

The previous prime is 193218029. The next prime is 193218061. The reversal of 193218048 is 840812391.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123640 + ... + 125192.

Almost surely, 2^193218048 is an apocalyptic number.

193218048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193218048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289333044).

193218048 is an abundant number, since it is smaller than the sum of its proper divisors (385448040).

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

193218048 is an frugal number, since it uses more digits than its factorization.

193218048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 193218048 is about 13900.2894933883. The cubic root of 193218048 is about 578.1172082242.

The spelling of 193218048 in words is "one hundred ninety-three million, two hundred eighteen thousand, forty-eight".