213086448 has 60 divisors (see below), whose sum is σ = 598251888. Its totient is φ = 70801920.

The previous prime is 213086369. The next prime is 213086459. The reversal of 213086448 is 844680312.

213086448 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 8 + 644 + 8 = 666.

213086448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46333 + ... + 50723.

Almost surely, 2^213086448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213086448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299125944).

213086448 is an abundant number, since it is smaller than the sum of its proper divisors (385165440).

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

213086448 is a wasteful number, since it uses less digits than its factorization.

213086448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742 (or 4733 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 213086448 is about 14597.4808785626. The cubic root of 213086448 is about 597.2900453369.

The spelling of 213086448 in words is "two hundred thirteen million, eighty-six thousand, four hundred forty-eight".