38750921 has 8 divisors (see below), whose sum is σ = 42967488. Its totient is φ = 34650000.

The previous prime is 38750909. The next prime is 38750923. The reversal of 38750921 is 12905783.

38750921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38750921 - 2¹⁰ = 38749897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38750923) 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 7 ways as a sum of consecutive naturals, for example, 28205 + ... + 29546.

It is an arithmetic number, because the mean of its divisors is an integer number (5370936).

Almost surely, 2^38750921 is an apocalyptic number.

It is an amenable number.

38750921 is a deficient number, since it is larger than the sum of its proper divisors (4216567).

38750921 is a wasteful number, since it uses less digits than its factorization.

38750921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57823.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 38750921 is about 6225.0237750550. The cubic root of 38750921 is about 338.3976535456.

The spelling of 38750921 in words is "thirty-eight million, seven hundred fifty thousand, nine hundred twenty-one".