271867428 has 168 divisors, whose sum is σ = 859360320. Its totient is φ = 73483200.

The previous prime is 271867399. The next prime is 271867493. The reversal of 271867428 is 824768172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 387478 + ... + 388178.

It is an arithmetic number, because the mean of its divisors is an integer number (5115240).

Almost surely, 2^271867428 is an apocalyptic number.

271867428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 271867428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429680160).

271867428 is an abundant number, since it is smaller than the sum of its proper divisors (587492892).

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

271867428 is a wasteful number, since it uses less digits than its factorization.

271867428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 732 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 271867428 is about 16488.4028335069. The cubic root of 271867428 is about 647.8170779980.

The spelling of 271867428 in words is "two hundred seventy-one million, eight hundred sixty-seven thousand, four hundred twenty-eight".