38503987 has 8 divisors (see below), whose sum is σ = 39108096. Its totient is φ = 37904832.

The previous prime is 38503979. The next prime is 38503991. The reversal of 38503987 is 78930583.

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 38503987 - 2³ = 38503979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38503957) 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, 16293 + ... + 18505.

It is an arithmetic number, because the mean of its divisors is an integer number (4888512).

Almost surely, 2^38503987 is an apocalyptic number.

38503987 is a deficient number, since it is larger than the sum of its proper divisors (604109).

38503987 is a wasteful number, since it uses less digits than its factorization.

38503987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 38503987 is about 6205.1580962938. The cubic root of 38503987 is about 337.6773264759.

The spelling of 38503987 in words is "thirty-eight million, five hundred three thousand, nine hundred eighty-seven".