872437 has 2 divisors, whose sum is σ = 872438. Its totient is φ = 872436.

The previous prime is 872429. The next prime is 872441. The reversal of 872437 is 734278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872356 + 81 = 934^2 + 9^2 .

It is a cyclic number.

It is not a de Polignac number, because 872437 - 2³ = 872429 is a prime.

It is a super-2 number, since 2×872437² = 1522292637938, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 872399 and 872408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436218 + 436219.

It is an arithmetic number, because the mean of its divisors is an integer number (436219).

2⁸⁷²⁴³⁷ is an apocalyptic number.

It is an amenable number.

872437 is a deficient number, since it is larger than the sum of its proper divisors (1).

872437 is an equidigital number, since it uses as much as digits as its factorization.

872437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 872437 is about 934.0433608779. The cubic root of 872437 is about 95.5530803297.

The spelling of 872437 in words is "eight hundred seventy-two thousand, four hundred thirty-seven".