38534687 has 4 divisors (see below), whose sum is σ = 38696160. Its totient is φ = 38373216.

The previous prime is 38534681. The next prime is 38534693. The reversal of 38534687 is 78643583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78643583 = 3853 ⋅20411.

It is an interprime number because it is at equal distance from previous prime (38534681) and next prime (38534693).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38534687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38534681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80378 + ... + 80855.

It is an arithmetic number, because the mean of its divisors is an integer number (9674040).

Almost surely, 2^38534687 is an apocalyptic number.

38534687 is a deficient number, since it is larger than the sum of its proper divisors (161473).

38534687 is a wasteful number, since it uses less digits than its factorization.

38534687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161472.

The product of its digits is 483840, while the sum is 44.

The square root of 38534687 is about 6207.6313518121. The cubic root of 38534687 is about 337.7670482663.

The spelling of 38534687 in words is "thirty-eight million, five hundred thirty-four thousand, six hundred eighty-seven".