38898613 has 4 divisors (see below), whose sum is σ = 41890828. Its totient is φ = 35906400.

The previous prime is 38898611. The next prime is 38898631. The reversal of 38898613 is 31689883.

38898613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31689883 = 23 ⋅1377821.

It can be written as a sum of positive squares in 2 ways, for example, as 2634129 + 36264484 = 1623^2 + 6022^2 .

It is a cyclic number.

It is not a de Polignac number, because 38898613 - 2¹ = 38898611 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 (38898611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496088 + ... + 1496113.

It is an arithmetic number, because the mean of its divisors is an integer number (10472707).

Almost surely, 2^38898613 is an apocalyptic number.

It is an amenable number.

38898613 is a deficient number, since it is larger than the sum of its proper divisors (2992215).

38898613 is a wasteful number, since it uses less digits than its factorization.

38898613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992214.

The product of its digits is 248832, while the sum is 46.

The square root of 38898613 is about 6236.8752592945. The cubic root of 38898613 is about 338.8270219690.

The spelling of 38898613 in words is "thirty-eight million, eight hundred ninety-eight thousand, six hundred thirteen".