1872912 has 20 divisors (see below), whose sum is σ = 4838480. Its totient is φ = 624288.

The previous prime is 1872911. The next prime is 1872919. The reversal of 1872912 is 2192781.

It is a self number, because there is not a number n which added to its sum of digits gives 1872912.

It is not an unprimeable number, because it can be changed into a prime (1872911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19462 + ... + 19557.

It is an arithmetic number, because the mean of its divisors is an integer number (241924).

2^1872912 is an apocalyptic number.

1872912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1872912 is an abundant number, since it is smaller than the sum of its proper divisors (2965568).

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

1872912 is a wasteful number, since it uses less digits than its factorization.

1872912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39030 (or 39024 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 1872912 is about 1368.5437515841. The cubic root of 1872912 is about 123.2648138190.

The spelling of 1872912 in words is "one million, eight hundred seventy-two thousand, nine hundred twelve".