193204144 has 40 divisors (see below), whose sum is σ = 428677920. Its totient is φ = 82633728.

The previous prime is 193204111. The next prime is 193204223. The reversal of 193204144 is 441402391.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64962 + ... + 67870.

It is an arithmetic number, because the mean of its divisors is an integer number (10716948).

Almost surely, 2^193204144 is an apocalyptic number.

193204144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

193204144 is an abundant number, since it is smaller than the sum of its proper divisors (235473776).

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

193204144 is a wasteful number, since it uses less digits than its factorization.

193204144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517 (or 3511 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 193204144 is about 13899.7893509218. The cubic root of 193204144 is about 578.1033407576.

The spelling of 193204144 in words is "one hundred ninety-three million, two hundred four thousand, one hundred forty-four".