38400425 has 24 divisors (see below), whose sum is σ = 57288000. Its totient is φ = 24943680.

The previous prime is 38400407. The next prime is 38400431. The reversal of 38400425 is 52400483.

38400425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38400425 - 2⁶ = 38400361 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38400394 and 38400403.

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 23 ways as a sum of consecutive naturals, for example, 2450 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (2387000).

Almost surely, 2^38400425 is an apocalyptic number.

38400425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38400425 is a deficient number, since it is larger than the sum of its proper divisors (18887575).

38400425 is a wasteful number, since it uses less digits than its factorization.

38400425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585 (or 11580 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 38400425 is about 6196.8076458770. The cubic root of 38400425 is about 337.3743107650.

The spelling of 38400425 in words is "thirty-eight million, four hundred thousand, four hundred twenty-five".