216013448 has 16 divisors (see below), whose sum is σ = 462886080. Its totient is φ = 92577168.

The previous prime is 216013439. The next prime is 216013459. The reversal of 216013448 is 844310612.

It is a self number, because there is not a number n which added to its sum of digits gives 216013448.

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, 1928636 + ... + 1928747.

It is an arithmetic number, because the mean of its divisors is an integer number (28930380).

Almost surely, 2^216013448 is an apocalyptic number.

216013448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

216013448 is an abundant number, since it is smaller than the sum of its proper divisors (246872632).

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

216013448 is a wasteful number, since it uses less digits than its factorization.

216013448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857396 (or 3857392 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 216013448 is about 14697.3959598291. The cubic root of 216013448 is about 600.0124515934.

The spelling of 216013448 in words is "two hundred sixteen million, thirteen thousand, four hundred forty-eight".