872419 has 2 divisors, whose sum is σ = 872420. Its totient is φ = 872418.

The previous prime is 872411. The next prime is 872429. The reversal of 872419 is 914278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872419 - 2³ = 872411 is a prime.

It is a super-3 number, since 3×872419³ = 1992033330087408177, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (872411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436209 + 436210.

It is an arithmetic number, because the mean of its divisors is an integer number (436210).

2⁸⁷²⁴¹⁹ is an apocalyptic number.

872419 is a deficient number, since it is larger than the sum of its proper divisors (1).

872419 is an equidigital number, since it uses as much as digits as its factorization.

872419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 872419 is about 934.0337253012. The cubic root of 872419 is about 95.5524231792.

It can be divided in two parts, 8 and 72419, that added together give a palindrome (72427).

The spelling of 872419 in words is "eight hundred seventy-two thousand, four hundred nineteen".