112809858 has 48 divisors (see below), whose sum is σ = 277906464. Its totient is φ = 30334080.

The previous prime is 112809857. The next prime is 112809863. The reversal of 112809858 is 858908211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (112809857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6288 + ... + 16283.

It is an arithmetic number, because the mean of its divisors is an integer number (5789718).

Almost surely, 2^112809858 is an apocalyptic number.

112809858 is an abundant number, since it is smaller than the sum of its proper divisors (165096606).

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

112809858 is a wasteful number, since it uses less digits than its factorization.

112809858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22607 (or 22600 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 42.

The square root of 112809858 is about 10621.1985199411. The cubic root of 112809858 is about 483.1874928463.

The spelling of 112809858 in words is "one hundred twelve million, eight hundred nine thousand, eight hundred fifty-eight".