39304225 has 12 divisors (see below), whose sum is σ = 49172076. Its totient is φ = 31162880.

The previous prime is 39304219. The next prime is 39304229. The reversal of 39304225 is 52240393.

39304225 is digitally balanced in base 2, 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 6 ways, for example, as 5803281 + 33500944 = 2409^2 + 5788^2 .

It is a de Polignac number, because none of the positive numbers 2^k-39304225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39304193 and 39304202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39304229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4132 + ... + 9781.

It is an arithmetic number, because the mean of its divisors is an integer number (4097673).

Almost surely, 2^39304225 is an apocalyptic number.

It is an amenable number.

39304225 is a deficient number, since it is larger than the sum of its proper divisors (9867851).

39304225 is a wasteful number, since it uses less digits than its factorization.

39304225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14036 (or 14031 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 39304225 is about 6269.3081755486. The cubic root of 39304225 is about 340.0006487877. Note that the first 3 decimals are identical.

The spelling of 39304225 in words is "thirty-nine million, three hundred four thousand, two hundred twenty-five".