212686448 has 20 divisors (see below), whose sum is σ = 443778888. Its totient is φ = 98162880.

The previous prime is 212686433. The next prime is 212686459. The reversal of 212686448 is 844686212.

212686448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511058 + ... + 511473.

Almost surely, 2^212686448 is an apocalyptic number.

It is an amenable number.

212686448 is an abundant number, since it is smaller than the sum of its proper divisors (231092440).

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

212686448 is a wasteful number, since it uses less digits than its factorization.

212686448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022552 (or 1022546 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 212686448 is about 14583.7734485969. The cubic root of 212686448 is about 596.9160724384.

The spelling of 212686448 in words is "two hundred twelve million, six hundred eighty-six thousand, four hundred forty-eight".