128396 has 6 divisors (see below), whose sum is σ = 224700. Its totient is φ = 64196.

The previous prime is 128393. The next prime is 128399. The reversal of 128396 is 693821.

It is an interprime number because it is at equal distance from previous prime (128393) and next prime (128399).

It is not an unprimeable number, because it can be changed into a prime (128393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16046 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (37450).

2¹²⁸³⁹⁶ is an apocalyptic number.

It is an amenable number.

128396 is a deficient number, since it is larger than the sum of its proper divisors (96304).

128396 is a wasteful number, since it uses less digits than its factorization.

128396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32103 (or 32101 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 128396 is about 358.3238758442. The cubic root of 128396 is about 50.4487602352.

The spelling of 128396 in words is "one hundred twenty-eight thousand, three hundred ninety-six".