1872559 has 8 divisors (see below), whose sum is σ = 2086560. Its totient is φ = 1668576.

The previous prime is 1872557. The next prime is 1872569. The reversal of 1872559 is 9552781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1872559 - 2¹ = 1872557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872553) 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, 2107 + ... + 2860.

It is an arithmetic number, because the mean of its divisors is an integer number (260820).

2^1872559 is an apocalyptic number.

1872559 is a deficient number, since it is larger than the sum of its proper divisors (214001).

1872559 is a wasteful number, since it uses less digits than its factorization.

1872559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009.

The product of its digits is 25200, while the sum is 37.

The square root of 1872559 is about 1368.4147763014. The cubic root of 1872559 is about 123.2570691566.

The spelling of 1872559 in words is "one million, eight hundred seventy-two thousand, five hundred fifty-nine".