384748225 has 9 divisors (see below), whose sum is σ = 477209443. Its totient is φ = 307720120.

The previous prime is 384748213. The next prime is 384748277. The reversal of 384748225 is 522847483.

The square root of 384748225 is 19615.

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., 138509361 + 246238864 = 11769^2 + 15692^2 .

It is not a de Polignac number, because 384748225 - 2⁵ = 384748193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 96114 + ... + 100036.

Almost surely, 2^384748225 is an apocalyptic number.

384748225 is the 19615-th square number.

384748225 is the 9808-th centered octagonal number.

It is an amenable number.

384748225 is a deficient number, since it is larger than the sum of its proper divisors (92461218).

384748225 is an frugal number, since it uses more digits than its factorization.

384748225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7856 (or 3928 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The cubic root of 384748225 is about 727.3200194034.

The spelling of 384748225 in words is "three hundred eighty-four million, seven hundred forty-eight thousand, two hundred twenty-five".