38750421 has 4 divisors (see below), whose sum is σ = 51667232. Its totient is φ = 25833612.

The previous prime is 38750407. The next prime is 38750431. The reversal of 38750421 is 12405783.

38750421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38750421 - 2⁵ = 38750389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38750431) 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 3 ways as a sum of consecutive naturals, for example, 6458401 + ... + 6458406.

It is an arithmetic number, because the mean of its divisors is an integer number (12916808).

Almost surely, 2^38750421 is an apocalyptic number.

It is an amenable number.

38750421 is a deficient number, since it is larger than the sum of its proper divisors (12916811).

38750421 is a wasteful number, since it uses less digits than its factorization.

38750421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916810.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 38750421 is about 6224.9836144363. The cubic root of 38750421 is about 338.3961981001.

The spelling of 38750421 in words is "thirty-eight million, seven hundred fifty thousand, four hundred twenty-one".