38853421 has 4 divisors (see below), whose sum is σ = 39150144. Its totient is φ = 38556700.

The previous prime is 38853391. The next prime is 38853431. The reversal of 38853421 is 12435883.

It is a happy number.

38853421 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 a cyclic number.

It is not a de Polignac number, because 38853421 - 2⁹ = 38852909 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 (38853431) 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, 148165 + ... + 148426.

It is an arithmetic number, because the mean of its divisors is an integer number (9787536).

Almost surely, 2^38853421 is an apocalyptic number.

It is an amenable number.

38853421 is a deficient number, since it is larger than the sum of its proper divisors (296723).

38853421 is a wasteful number, since it uses less digits than its factorization.

38853421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296722.

The product of its digits is 23040, while the sum is 34.

The square root of 38853421 is about 6233.2512383186. The cubic root of 38853421 is about 338.6957558963.

The spelling of 38853421 in words is "thirty-eight million, eight hundred fifty-three thousand, four hundred twenty-one".