28754271 has 80 divisors (see below), whose sum is σ = 54641664. Its totient is φ = 14665536.

The previous prime is 28754269. The next prime is 28754273. The reversal of 28754271 is 17245782.

It is an interprime number because it is at equal distance from previous prime (28754269) and next prime (28754273).

It is not a de Polignac number, because 28754271 - 2¹ = 28754269 is a prime.

It is a super-3 number, since 3×28754271³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28754273) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 346396 + ... + 346478.

Almost surely, 2^28754271 is an apocalyptic number.

28754271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28754271 is a deficient number, since it is larger than the sum of its proper divisors (25887393).

28754271 is a wasteful number, since it uses less digits than its factorization.

28754271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 153 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 28754271 is about 5362.3009053950. The cubic root of 28754271 is about 306.3614529231.

The spelling of 28754271 in words is "twenty-eight million, seven hundred fifty-four thousand, two hundred seventy-one".