38489687 has 8 divisors (see below), whose sum is σ = 41458560. Its totient is φ = 35615160.

The previous prime is 38489681. The next prime is 38489701. The reversal of 38489687 is 78698483.

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 38489687 - 2⁶ = 38489623 is a prime.

It is a super-3 number, since 3×38489687³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38489681) 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, 22739 + ... + 24372.

It is an arithmetic number, because the mean of its divisors is an integer number (5182320).

Almost surely, 2^38489687 is an apocalyptic number.

38489687 is a deficient number, since it is larger than the sum of its proper divisors (2968873).

38489687 is a wasteful number, since it uses less digits than its factorization.

38489687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47173.

The product of its digits is 2322432, while the sum is 53.

The square root of 38489687 is about 6204.0057221121. The cubic root of 38489687 is about 337.6355179598.

The spelling of 38489687 in words is "thirty-eight million, four hundred eighty-nine thousand, six hundred eighty-seven".