128295393 has 8 divisors (see below), whose sum is σ = 171131328. Its totient is φ = 85494864.

The previous prime is 128295347. The next prime is 128295397. The reversal of 128295393 is 393592821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128295393 - 2¹⁴ = 128279009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128295397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (21391416).

Almost surely, 2^128295393 is an apocalyptic number.

It is an amenable number.

128295393 is a deficient number, since it is larger than the sum of its proper divisors (42835935).

128295393 is a wasteful number, since it uses less digits than its factorization.

128295393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17703.

The product of its digits is 116640, while the sum is 42.

The square root of 128295393 is about 11326.7556255090. The cubic root of 128295393 is about 504.3558011361.

The spelling of 128295393 in words is "one hundred twenty-eight million, two hundred ninety-five thousand, three hundred ninety-three".