38402825 has 12 divisors (see below), whose sum is σ = 47710860. Its totient is φ = 30663360.

The previous prime is 38402797. The next prime is 38402843. The reversal of 38402825 is 52820483.

38402825 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 222784 + 38180041 = 472^2 + 6179^2 .

It is not a de Polignac number, because 38402825 - 2⁶ = 38402761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38402791 and 38402800.

It is an unprimeable number.

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, 15791 + ... + 18059.

It is an arithmetic number, because the mean of its divisors is an integer number (3975905).

Almost surely, 2^38402825 is an apocalyptic number.

It is an amenable number.

38402825 is a deficient number, since it is larger than the sum of its proper divisors (9308035).

38402825 is a wasteful number, since it uses less digits than its factorization.

38402825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2951 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 38402825 is about 6197.0012909471. The cubic root of 38402825 is about 337.3813391723.

The spelling of 38402825 in words is "thirty-eight million, four hundred two thousand, eight hundred twenty-five".