38386425 has 144 divisors (see below), whose sum is σ = 87708672. Its totient is φ = 14361600.

The previous prime is 38386417. The next prime is 38386429. The reversal of 38386425 is 52468383.

It is not a de Polignac number, because 38386425 - 2³ = 38386417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38386429) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1668964 + ... + 1668986.

It is an arithmetic number, because the mean of its divisors is an integer number (609088).

Almost surely, 2^38386425 is an apocalyptic number.

38386425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38386425 is an abundant number, since it is smaller than the sum of its proper divisors (49322247).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38386425 is a wasteful number, since it uses less digits than its factorization.

38386425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 66 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 38386425 is about 6195.6779290083. The cubic root of 38386425 is about 337.3333058849. Note that the first 4 decimals are identical.

The spelling of 38386425 in words is "thirty-eight million, three hundred eighty-six thousand, four hundred twenty-five".