285672419 has 2 divisors, whose sum is σ = 285672420. Its totient is φ = 285672418.

The previous prime is 285672377. The next prime is 285672421. The reversal of 285672419 is 914276582.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285672419 - 2²⁴ = 268895203 is a prime.

It is a super-2 number, since 2×285672419² = 163217461954623122, which contains 22 as substring.

Together with 285672421, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285672419.

It is not a weakly prime, because it can be changed into another prime (285672319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142836209 + 142836210.

It is an arithmetic number, because the mean of its divisors is an integer number (142836210).

Almost surely, 2^285672419 is an apocalyptic number.

285672419 is a deficient number, since it is larger than the sum of its proper divisors (1).

285672419 is an equidigital number, since it uses as much as digits as its factorization.

285672419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 285672419 is about 16901.8466150891. The cubic root of 285672419 is about 658.6015838004.

The spelling of 285672419 in words is "two hundred eighty-five million, six hundred seventy-two thousand, four hundred nineteen".