38480921 has 8 divisors (see below), whose sum is σ = 39968640. Its totient is φ = 37021168.

The previous prime is 38480917. The next prime is 38480929. The reversal of 38480921 is 12908483.

It is a happy number.

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 38480921 - 2² = 38480917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38480929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166 + ... + 9711.

It is an arithmetic number, because the mean of its divisors is an integer number (4996080).

Almost surely, 2^38480921 is an apocalyptic number.

It is an amenable number.

38480921 is a deficient number, since it is larger than the sum of its proper divisors (1487719).

38480921 is a wasteful number, since it uses less digits than its factorization.

38480921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13983.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 38480921 is about 6203.2992028436. The cubic root of 38480921 is about 337.6098839272.

The spelling of 38480921 in words is "thirty-eight million, four hundred eighty thousand, nine hundred twenty-one".