4272489 has 27 divisors (see below), whose sum is σ = 6811077. Its totient is φ = 2579616.

The previous prime is 4272481. The next prime is 4272497. The reversal of 4272489 is 9842724.

The square root of 4272489 is 2067.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (4272481) and next prime (4272497).

It can be written as a sum of positive squares in 4 ways, for example, as 110889 + 4161600 = 333^2 + 2040^2 .

It is not a de Polignac number, because 4272489 - 2³ = 4272481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4272481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 80587 + ... + 80639.

Almost surely, 2^4272489 is an apocalyptic number.

4272489 is the 2067-th square number.

4272489 is the 1034-th centered octagonal number.

It is an amenable number.

4272489 is a deficient number, since it is larger than the sum of its proper divisors (2538588).

4272489 is a wasteful number, since it uses less digits than its factorization.

4272489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 69 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The cubic root of 4272489 is about 162.2657959476.

Multiplying 4272489 by its sum of digits (36), we get a square (153809604 = 12402²).

It can be divided in two parts, 4272 and 489, that added together give a square (4761 = 69²).

The spelling of 4272489 in words is "four million, two hundred seventy-two thousand, four hundred eighty-nine".