1860872 has 32 divisors (see below), whose sum is σ = 3893400. Its totient is φ = 827904.

The previous prime is 1860869. The next prime is 1860877. The reversal of 1860872 is 2780681.

It can be written as a sum of positive squares in 4 ways, for example, as 749956 + 1110916 = 866^2 + 1054^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860877) 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, 2708 + ... + 3324.

2^1860872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1860872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1946700).

1860872 is an abundant number, since it is smaller than the sum of its proper divisors (2032528).

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

1860872 is a wasteful number, since it uses less digits than its factorization.

1860872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1860872 is about 1364.1378229490. The cubic root of 1860872 is about 123.0001101636. Note that the first 3 decimals are identical.

The spelling of 1860872 in words is "one million, eight hundred sixty thousand, eight hundred seventy-two".