10438428 has 144 divisors (see below), whose sum is σ = 33367040. Its totient is φ = 2471040.

The previous prime is 10438427. The next prime is 10438447. The reversal of 10438428 is 82483401.

It is a super-2 number, since 2×10438428² = 217921558222368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10438395 and 10438404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10438427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132093 + ... + 132171.

Almost surely, 2^10438428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10438428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16683520).

10438428 is an abundant number, since it is smaller than the sum of its proper divisors (22928612).

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

10438428 is a wasteful number, since it uses less digits than its factorization.

10438428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 10438428 is about 3230.8556142298. The cubic root of 10438428 is about 218.5470926079.

The spelling of 10438428 in words is "ten million, four hundred thirty-eight thousand, four hundred twenty-eight".