869413 has 2 divisors, whose sum is σ = 869414. Its totient is φ = 869412.

The previous prime is 869399. The next prime is 869419. The reversal of 869413 is 314968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574564 + 294849 = 758^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 869413 - 2⁵ = 869381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434706 + 434707.

It is an arithmetic number, because the mean of its divisors is an integer number (434707).

2⁸⁶⁹⁴¹³ is an apocalyptic number.

It is an amenable number.

869413 is a deficient number, since it is larger than the sum of its proper divisors (1).

869413 is an equidigital number, since it uses as much as digits as its factorization.

869413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 869413 is about 932.4231871849. The cubic root of 869413 is about 95.4425520010.

The spelling of 869413 in words is "eight hundred sixty-nine thousand, four hundred thirteen".