193085397 has 16 divisors (see below), whose sum is σ = 286272000. Its totient is φ = 128624832.

The previous prime is 193085383. The next prime is 193085489. The reversal of 193085397 is 793580391.

It is a happy number.

It is not a de Polignac number, because 193085397 - 2⁴ = 193085381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193085327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55804 + ... + 59162.

It is an arithmetic number, because the mean of its divisors is an integer number (17892000).

Almost surely, 2^193085397 is an apocalyptic number.

It is an amenable number.

193085397 is a deficient number, since it is larger than the sum of its proper divisors (93186603).

193085397 is a wasteful number, since it uses less digits than its factorization.

193085397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5491 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 193085397 is about 13895.5171548237. The cubic root of 193085397 is about 577.9848786568.

The spelling of 193085397 in words is "one hundred ninety-three million, eighty-five thousand, three hundred ninety-seven".