112993840 has 40 divisors (see below), whose sum is σ = 263710800. Its totient is φ = 45025536.

The previous prime is 112993813. The next prime is 112993841. The reversal of 112993840 is 48399211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 112993840.

It is not an unprimeable number, because it can be changed into a prime (112993841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19611 + ... + 24709.

It is an arithmetic number, because the mean of its divisors is an integer number (6592770).

Almost surely, 2^112993840 is an apocalyptic number.

112993840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112993840 is an abundant number, since it is smaller than the sum of its proper divisors (150716960).

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

112993840 is a wasteful number, since it uses less digits than its factorization.

112993840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389 (or 5383 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 112993840 is about 10629.8560667584. The cubic root of 112993840 is about 483.4500275772.

The spelling of 112993840 in words is "one hundred twelve million, nine hundred ninety-three thousand, eight hundred forty".