2928272 has 20 divisors (see below), whose sum is σ = 5700156. Its totient is φ = 1457280.

The previous prime is 2928271. The next prime is 2928281. The reversal of 2928272 is 2728292.

It can be written as a sum of positive squares in 2 ways, for example, as 1449616 + 1478656 = 1204^2 + 1216^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2928271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6122 + ... + 6582.

2^2928272 is an apocalyptic number.

It is an amenable number.

2928272 is a deficient number, since it is larger than the sum of its proper divisors (2771884).

2928272 is a wasteful number, since it uses less digits than its factorization.

2928272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 860 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 2928272 is about 1711.2194482298. The cubic root of 2928272 is about 143.0662317284.

It can be divided in two parts, 29282 and 72, that multiplied together give a square (2108304 = 1452²).

The spelling of 2928272 in words is "two million, nine hundred twenty-eight thousand, two hundred seventy-two".