38354521 has 8 divisors (see below), whose sum is σ = 40582080. Its totient is φ = 36147888.

The previous prime is 38354489. The next prime is 38354527. The reversal of 38354521 is 12545383.

38354521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38354521 - 2⁵ = 38354489 is a prime.

It is a super-2 number, since 2×38354521² = 2942138562278882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38354527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381 + ... + 8866.

It is an arithmetic number, because the mean of its divisors is an integer number (5072760).

Almost surely, 2^38354521 is an apocalyptic number.

It is an amenable number.

38354521 is a deficient number, since it is larger than the sum of its proper divisors (2227559).

38354521 is a wasteful number, since it uses less digits than its factorization.

38354521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its digits is 14400, while the sum is 31.

The square root of 38354521 is about 6193.1026957414. The cubic root of 38354521 is about 337.2398243588.

The spelling of 38354521 in words is "thirty-eight million, three hundred fifty-four thousand, five hundred twenty-one".