384009925 has 18 divisors (see below), whose sum is σ = 513273138. Its totient is φ = 283315680.

The previous prime is 384009919. The next prime is 384009949. The reversal of 384009925 is 529900483.

It is a happy number.

384009925 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1181569 + 382828356 = 1087^2 + 19566^2 .

It is not a de Polignac number, because 384009925 - 2¹³ = 384001733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 352732 + ... + 353818.

Almost surely, 2^384009925 is an apocalyptic number.

It is an amenable number.

384009925 is a deficient number, since it is larger than the sum of its proper divisors (129263213).

384009925 is an equidigital number, since it uses as much as digits as its factorization.

384009925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 384009925 is about 19596.1711821468. The cubic root of 384009925 is about 726.8544992046.

The spelling of 384009925 in words is "three hundred eighty-four million, nine thousand, nine hundred twenty-five".