38348021 has 8 divisors (see below), whose sum is σ = 39507840. Its totient is φ = 37194768.

The previous prime is 38348003. The next prime is 38348029. The reversal of 38348021 is 12084383.

It is a happy number.

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

It is not a de Polignac number, because 38348021 - 2⁶ = 38347957 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 (38348029) 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, 11840 + ... + 14726.

It is an arithmetic number, because the mean of its divisors is an integer number (4938480).

Almost surely, 2^38348021 is an apocalyptic number.

It is an amenable number.

38348021 is a deficient number, since it is larger than the sum of its proper divisors (1159819).

38348021 is a wasteful number, since it uses less digits than its factorization.

38348021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 38348021 is about 6192.5778961592. The cubic root of 38348021 is about 337.2207724309.

The spelling of 38348021 in words is "thirty-eight million, three hundred forty-eight thousand, twenty-one".