10128438 has 12 divisors (see below), whose sum is σ = 21944988. Its totient is φ = 3376140.

The previous prime is 10128431. The next prime is 10128439. The reversal of 10128438 is 83482101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10128431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281328 + ... + 281363.

It is an arithmetic number, because the mean of its divisors is an integer number (1828749).

Almost surely, 2^10128438 is an apocalyptic number.

10128438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10128438 is an abundant number, since it is smaller than the sum of its proper divisors (11816550).

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

10128438 is a wasteful number, since it uses less digits than its factorization.

10128438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562699 (or 562696 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 10128438 is about 3182.5206990686. The cubic root of 10128438 is about 216.3619189679.

The spelling of 10128438 in words is "ten million, one hundred twenty-eight thousand, four hundred thirty-eight".