38415489 has 8 divisors (see below), whose sum is σ = 58537920. Its totient is φ = 21951696.

The previous prime is 38415463. The next prime is 38415499. The reversal of 38415489 is 98451483.

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

It is not a de Polignac number, because 38415489 - 2⁸ = 38415233 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 38415489.

It is not an unprimeable number, because it can be changed into a prime (38415439) 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, 914634 + ... + 914675.

It is an arithmetic number, because the mean of its divisors is an integer number (7317240).

Almost surely, 2^38415489 is an apocalyptic number.

It is an amenable number.

38415489 is a deficient number, since it is larger than the sum of its proper divisors (20122431).

38415489 is a wasteful number, since it uses less digits than its factorization.

38415489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829319.

The product of its digits is 138240, while the sum is 42.

The square root of 38415489 is about 6198.0229912449. The cubic root of 38415489 is about 337.4184208862.

The spelling of 38415489 in words is "thirty-eight million, four hundred fifteen thousand, four hundred eighty-nine".