38538164 has 24 divisors (see below), whose sum is σ = 79161600. Its totient is φ = 16069536.

The previous prime is 38538139. The next prime is 38538169. The reversal of 38538164 is 46183583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38538169) 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 7 ways as a sum of consecutive naturals, for example, 17564 + ... + 19635.

It is an arithmetic number, because the mean of its divisors is an integer number (3298400).

Almost surely, 2^38538164 is an apocalyptic number.

It is an amenable number.

38538164 is an abundant number, since it is smaller than the sum of its proper divisors (40623436).

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

38538164 is a wasteful number, since it uses less digits than its factorization.

38538164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37247 (or 37245 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 38538164 is about 6207.9114040070. The cubic root of 38538164 is about 337.7772069121. Note that the first 3 decimals are identical.

The spelling of 38538164 in words is "thirty-eight million, five hundred thirty-eight thousand, one hundred sixty-four".