38634970 has 32 divisors (see below), whose sum is σ = 77163840. Its totient is φ = 13808640.

The previous prime is 38634889. The next prime is 38634977. The reversal of 38634970 is 7943683.

38634970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38634977) 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 15 ways as a sum of consecutive naturals, for example, 3514 + ... + 9466.

It is an arithmetic number, because the mean of its divisors is an integer number (2411370).

Almost surely, 2^38634970 is an apocalyptic number.

38634970 is a deficient number, since it is larger than the sum of its proper divisors (38528870).

38634970 is a wasteful number, since it uses less digits than its factorization.

38634970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 38634970 is about 6215.7035000071. The cubic root of 38634970 is about 338.0597970835.

The spelling of 38634970 in words is "thirty-eight million, six hundred thirty-four thousand, nine hundred seventy".