38549838 has 8 divisors (see below), whose sum is σ = 77099688. Its totient is φ = 12849944.

The previous prime is 38549831. The next prime is 38549839. The reversal of 38549838 is 83894583.

It is a sphenic number, since it is the product of 3 distinct primes.

38549838 is an admirable number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38549831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3212481 + ... + 3212492.

It is an arithmetic number, because the mean of its divisors is an integer number (9637461).

Almost surely, 2^38549838 is an apocalyptic number.

38549838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38549838 is a wasteful number, since it uses less digits than its factorization.

38549838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424978.

The product of its digits is 829440, while the sum is 48.

The square root of 38549838 is about 6208.8515846330. The cubic root of 38549838 is about 337.8113100159.

The spelling of 38549838 in words is "thirty-eight million, five hundred forty-nine thousand, eight hundred thirty-eight".