38987135 has 8 divisors (see below), whose sum is σ = 51037776. Its totient is φ = 28354240.

The previous prime is 38987129. The next prime is 38987149. The reversal of 38987135 is 53178983.

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 38987135 - 2¹⁸ = 38724991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354374 + ... + 354483.

It is an arithmetic number, because the mean of its divisors is an integer number (6379722).

Almost surely, 2^38987135 is an apocalyptic number.

38987135 is a deficient number, since it is larger than the sum of its proper divisors (12050641).

38987135 is a wasteful number, since it uses less digits than its factorization.

38987135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708873.

The product of its digits is 181440, while the sum is 44.

The square root of 38987135 is about 6243.9678890910. The cubic root of 38987135 is about 339.0838513670.

The spelling of 38987135 in words is "thirty-eight million, nine hundred eighty-seven thousand, one hundred thirty-five".