193401604 has 24 divisors (see below), whose sum is σ = 370345248. Its totient is φ = 87642240.

The previous prime is 193401599. The next prime is 193401661. The reversal of 193401604 is 406104391.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8307 + ... + 21349.

It is an arithmetic number, because the mean of its divisors is an integer number (15431052).

Almost surely, 2^193401604 is an apocalyptic number.

It is an amenable number.

193401604 is a deficient number, since it is larger than the sum of its proper divisors (176943644).

193401604 is a wasteful number, since it uses less digits than its factorization.

193401604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13395 (or 13393 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 193401604 is about 13906.8905223274. The cubic root of 193401604 is about 578.3002195899.

Adding to 193401604 its reverse (406104391), we get a palindrome (599505995).

The spelling of 193401604 in words is "one hundred ninety-three million, four hundred one thousand, six hundred four".