38125647 has 40 divisors (see below), whose sum is σ = 68534400. Its totient is φ = 20633616.

The previous prime is 38125643. The next prime is 38125657. The reversal of 38125647 is 74652183.

38125647 is a `hidden beast` number, since 3 + 8 + 1 + 2 + 5 + 647 = 666.

It is not a de Polignac number, because 38125647 - 2² = 38125643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38125643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9004 + ... + 12542.

It is an arithmetic number, because the mean of its divisors is an integer number (1713360).

Almost surely, 2^38125647 is an apocalyptic number.

38125647 is a deficient number, since it is larger than the sum of its proper divisors (30408753).

38125647 is a wasteful number, since it uses less digits than its factorization.

38125647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577 (or 3568 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 38125647 is about 6174.5969099205. The cubic root of 38125647 is about 336.5676787481.

The spelling of 38125647 in words is "thirty-eight million, one hundred twenty-five thousand, six hundred forty-seven".