128038446 has 24 divisors (see below), whose sum is σ = 277711200. Its totient is φ = 42634176.

The previous prime is 128038433. The next prime is 128038453. The reversal of 128038446 is 644830821.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 128038446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16630 + ... + 23078.

It is an arithmetic number, because the mean of its divisors is an integer number (11571300).

Almost surely, 2^128038446 is an apocalyptic number.

128038446 is an abundant number, since it is smaller than the sum of its proper divisors (149672754).

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

128038446 is a wasteful number, since it uses less digits than its factorization.

128038446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560 (or 7557 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 128038446 is about 11315.4074606264. The cubic root of 128038446 is about 504.0188721202.

The spelling of 128038446 in words is "one hundred twenty-eight million, thirty-eight thousand, four hundred forty-six".