271389216 has 96 divisors (see below), whose sum is σ = 818270208. Its totient is φ = 77149440.

The previous prime is 271389197. The next prime is 271389227. The reversal of 271389216 is 612983172.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×271389216² = 147304213122189312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148951 + ... + 150761.

It is an arithmetic number, because the mean of its divisors is an integer number (8523648).

Almost surely, 2^271389216 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 271389216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409135104).

271389216 is an abundant number, since it is smaller than the sum of its proper divisors (546880992).

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

271389216 is a wasteful number, since it uses less digits than its factorization.

271389216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2046 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 271389216 is about 16473.8949857039. The cubic root of 271389216 is about 647.4370205537.

The spelling of 271389216 in words is "two hundred seventy-one million, three hundred eighty-nine thousand, two hundred sixteen".