458216836 has 81 divisors (see below), whose sum is σ = 1032736887. Its totient is φ = 177241680.

The previous prime is 458216813. The next prime is 458216873. The reversal of 458216836 is 638612854.

The square root of 458216836 is 21406.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 458216792 and 458216801.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3296455 + ... + 3296593.

Almost surely, 2^458216836 is an apocalyptic number.

458216836 is the 21406-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 458216836

458216836 is an abundant number, since it is smaller than the sum of its proper divisors (574520051).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

458216836 is a wasteful number, since it uses less digits than its factorization.

458216836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 159 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The cubic root of 458216836 is about 770.9455051784.

The spelling of 458216836 in words is "four hundred fifty-eight million, two hundred sixteen thousand, eight hundred thirty-six".