112978398 has 32 divisors (see below), whose sum is σ = 245764512. Its totient is φ = 34416000.

The previous prime is 112978373. The next prime is 112978399. The reversal of 112978398 is 893879211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112978399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (7680141).

Almost surely, 2^112978398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112978398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122882256).

112978398 is an abundant number, since it is smaller than the sum of its proper divisors (132786114).

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

112978398 is a wasteful number, since it uses less digits than its factorization.

112978398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460.

The product of its digits is 217728, while the sum is 48.

The square root of 112978398 is about 10629.1296915599. The cubic root of 112978398 is about 483.4280034402.

The spelling of 112978398 in words is "one hundred twelve million, nine hundred seventy-eight thousand, three hundred ninety-eight".