38914221 has 8 divisors (see below), whose sum is σ = 51978784. Its totient is φ = 25896240.

The previous prime is 38914193. The next prime is 38914231. The reversal of 38914221 is 12241983.

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

It is not a de Polignac number, because 38914221 - 2²³ = 30525613 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 (38914231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9646 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (6497348).

Almost surely, 2^38914221 is an apocalyptic number.

It is an amenable number.

38914221 is a deficient number, since it is larger than the sum of its proper divisors (13064563).

38914221 is a wasteful number, since it uses less digits than its factorization.

38914221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23291.

The product of its digits is 3456, while the sum is 30.

The square root of 38914221 is about 6238.1264014125. The cubic root of 38914221 is about 338.8723338245.

The spelling of 38914221 in words is "thirty-eight million, nine hundred fourteen thousand, two hundred twenty-one".