1872336 has 40 divisors (see below), whose sum is σ = 5093920. Its totient is φ = 590976.

The previous prime is 1872323. The next prime is 1872337. The reversal of 1872336 is 6332781.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872337) 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, 115 + ... + 1938.

It is an arithmetic number, because the mean of its divisors is an integer number (127348).

2^1872336 is an apocalyptic number.

1872336 is a gapful number since it is divisible by the number (16) 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 1872336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2546960).

1872336 is an abundant number, since it is smaller than the sum of its proper divisors (3221584).

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

1872336 is a wasteful number, since it uses less digits than its factorization.

1872336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2077 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1872336 is about 1368.3332927324. Note that the first 3 decimals coincide. The cubic root of 1872336 is about 123.2521761346.

The spelling of 1872336 in words is "one million, eight hundred seventy-two thousand, three hundred thirty-six".