38489847 has 8 divisors (see below), whose sum is σ = 55985280. Its totient is φ = 23327160.

The previous prime is 38489837. The next prime is 38489903. The reversal of 38489847 is 74898483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38489847 - 2¹⁰ = 38488823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38489847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38489837) 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, 583147 + ... + 583212.

It is an arithmetic number, because the mean of its divisors is an integer number (6998160).

Almost surely, 2^38489847 is an apocalyptic number.

38489847 is a deficient number, since it is larger than the sum of its proper divisors (17495433).

38489847 is a wasteful number, since it uses less digits than its factorization.

38489847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166373.

The product of its digits is 1548288, while the sum is 51.

The square root of 38489847 is about 6204.0186169933. The cubic root of 38489847 is about 337.6359858047.

It can be divided in two parts, 3848 and 9847, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 38489847 in words is "thirty-eight million, four hundred eighty-nine thousand, eight hundred forty-seven".