38011421 has 8 divisors (see below), whose sum is σ = 43569600. Its totient is φ = 32485248.

The previous prime is 38011417. The next prime is 38011423. The reversal of 38011421 is 12411083.

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

It is a cyclic number.

It is not a de Polignac number, because 38011421 - 2² = 38011417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38011393 and 38011402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38011423) 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, 5396 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (5446200).

Almost surely, 2^38011421 is an apocalyptic number.

It is an amenable number.

38011421 is a deficient number, since it is larger than the sum of its proper divisors (5558179).

38011421 is a wasteful number, since it uses less digits than its factorization.

38011421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16003.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 38011421 is about 6165.3402987994. The cubic root of 38011421 is about 336.2312189913.

The spelling of 38011421 in words is "thirty-eight million, eleven thousand, four hundred twenty-one".