38504539 has 4 divisors (see below), whose sum is σ = 38609824. Its totient is φ = 38399256.

The previous prime is 38504537. The next prime is 38504549. The reversal of 38504539 is 93540583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38504539 - 2¹ = 38504537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38504498 and 38504507.

It is not an unprimeable number, because it can be changed into a prime (38504537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52092 + ... + 52825.

It is an arithmetic number, because the mean of its divisors is an integer number (9652456).

Almost surely, 2^38504539 is an apocalyptic number.

38504539 is a deficient number, since it is larger than the sum of its proper divisors (105285).

38504539 is a wasteful number, since it uses less digits than its factorization.

38504539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105284.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 38504539 is about 6205.2025752589. The cubic root of 38504539 is about 337.6789401356.

The spelling of 38504539 in words is "thirty-eight million, five hundred four thousand, five hundred thirty-nine".