112438428 has 48 divisors (see below), whose sum is σ = 277912320. Its totient is φ = 35282304.

The previous prime is 112438427. The next prime is 112438439. The reversal of 112438428 is 824834211.

It is a super-2 number, since 2×112438428² = 25284800182222368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112438427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36600 + ... + 39552.

It is an arithmetic number, because the mean of its divisors is an integer number (5789840).

Almost surely, 2^112438428 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 112438428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138956160).

112438428 is an abundant number, since it is smaller than the sum of its proper divisors (165473892).

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

112438428 is a wasteful number, since it uses less digits than its factorization.

112438428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146 (or 3144 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 112438428 is about 10603.6987886303. The cubic root of 112438428 is about 482.6566064347.

The spelling of 112438428 in words is "one hundred twelve million, four hundred thirty-eight thousand, four hundred twenty-eight".