1904112 has 60 divisors (see below), whose sum is σ = 6093360. Its totient is φ = 543744.

The previous prime is 1904099. The next prime is 1904117. The reversal of 1904112 is 2114091.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2^1904112 is an apocalyptic number.

1904112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1904112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3046680).

1904112 is an abundant number, since it is smaller than the sum of its proper divisors (4189248).

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

1904112 is a wasteful number, since it uses less digits than its factorization.

1904112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1904112 is about 1379.8956482285. The cubic root of 1904112 is about 123.9455189038.

It can be divided in two parts, 1904 and 112, that added together give a triangular number (2016 = T₆₃).

The spelling of 1904112 in words is "one million, nine hundred four thousand, one hundred twelve".