38489613 has 8 divisors (see below), whose sum is σ = 51348576. Its totient is φ = 25645200.

The previous prime is 38489609. The next prime is 38489623. The reversal of 38489613 is 31698483.

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 38489613 - 2² = 38489609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38489623) 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, 6903 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (6418572).

Almost surely, 2^38489613 is an apocalyptic number.

It is an amenable number.

38489613 is a deficient number, since it is larger than the sum of its proper divisors (12858963).

38489613 is a wasteful number, since it uses less digits than its factorization.

38489613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275.

The product of its digits is 124416, while the sum is 42.

The square root of 38489613 is about 6203.9997582205. Note that the first 3 decimals coincide. The cubic root of 38489613 is about 337.6353015811.

The spelling of 38489613 in words is "thirty-eight million, four hundred eighty-nine thousand, six hundred thirteen".