193493028 has 12 divisors (see below), whose sum is σ = 451483760. Its totient is φ = 64497672.

The previous prime is 193493023. The next prime is 193493033. The reversal of 193493028 is 820394391.

It is an interprime number because it is at equal distance from previous prime (193493023) and next prime (193493033).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (193493023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8062198 + ... + 8062221.

Almost surely, 2^193493028 is an apocalyptic number.

It is an amenable number.

193493028 is an abundant number, since it is smaller than the sum of its proper divisors (257990732).

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

193493028 is a wasteful number, since it uses less digits than its factorization.

193493028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16124426 (or 16124424 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 193493028 is about 13910.1771376212. The cubic root of 193493028 is about 578.3913291248.

The spelling of 193493028 in words is "one hundred ninety-three million, four hundred ninety-three thousand, twenty-eight".