38145836 has 12 divisors (see below), whose sum is σ = 66826200. Its totient is φ = 19052640.

The previous prime is 38145829. The next prime is 38145839. The reversal of 38145836 is 63854183.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 38145836.

It is not an unprimeable number, because it can be changed into a prime (38145839) 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 3 ways as a sum of consecutive naturals, for example, 350 + ... + 8741.

It is an arithmetic number, because the mean of its divisors is an integer number (5568850).

Almost surely, 2^38145836 is an apocalyptic number.

It is an amenable number.

38145836 is a deficient number, since it is larger than the sum of its proper divisors (28680364).

38145836 is a wasteful number, since it uses less digits than its factorization.

38145836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144 (or 10142 counting only the distinct ones).

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

The square root of 38145836 is about 6176.2315371106. The cubic root of 38145836 is about 336.6270767855.

The spelling of 38145836 in words is "thirty-eight million, one hundred forty-five thousand, eight hundred thirty-six".