282172804 has 27 divisors (see below), whose sum is σ = 509754693. Its totient is φ = 136668528.

The previous prime is 282172801. The next prime is 282172867. The reversal of 282172804 is 408271282.

The square root of 282172804 is 16798.

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

It can be written as a sum of positive squares in only one way, i.e., 252492100 + 29680704 = 15890^2 + 5448^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 282172804.

It is not an unprimeable number, because it can be changed into a prime (282172801) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1242939 + ... + 1243165.

Almost surely, 2^282172804 is an apocalyptic number.

282172804 is the 16798-th square number.

It is an amenable number.

282172804 is a deficient number, since it is larger than the sum of its proper divisors (227581889).

282172804 is an equidigital number, since it uses as much as digits as its factorization.

282172804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The cubic root of 282172804 is about 655.9011383093.

It can be divided in two parts, 2821 and 72804, that added together give a square (75625 = 275²).

The spelling of 282172804 in words is "two hundred eighty-two million, one hundred seventy-two thousand, eight hundred four".