128396350 has 48 divisors (see below), whose sum is σ = 250698240. Its totient is φ = 48831200.

The previous prime is 128396341. The next prime is 128396353. The reversal of 128396350 is 53693821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128396353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357471 + ... + 357829.

It is an arithmetic number, because the mean of its divisors is an integer number (5222880).

Almost surely, 2^128396350 is an apocalyptic number.

128396350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128396350 is a deficient number, since it is larger than the sum of its proper divisors (122301890).

128396350 is a wasteful number, since it uses less digits than its factorization.

128396350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 128396350 is about 11331.2113209489. The cubic root of 128396350 is about 504.4880607525.

The spelling of 128396350 in words is "one hundred twenty-eight million, three hundred ninety-six thousand, three hundred fifty".