38214421 has 8 divisors (see below), whose sum is σ = 43882304. Its totient is φ = 32598720.

The previous prime is 38214361. The next prime is 38214467. The reversal of 38214421 is 12441283.

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

It is a de Polignac number, because none of the positive numbers 2^k-38214421 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 (38214481) 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, 11460 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (5485288).

Almost surely, 2^38214421 is an apocalyptic number.

It is an amenable number.

38214421 is a deficient number, since it is larger than the sum of its proper divisors (5667883).

38214421 is a wasteful number, since it uses less digits than its factorization.

38214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26091.

The product of its digits is 1536, while the sum is 25.

The square root of 38214421 is about 6181.7813775642. The cubic root of 38214421 is about 336.8287042533.

The spelling of 38214421 in words is "thirty-eight million, two hundred fourteen thousand, four hundred twenty-one".