38853013 has 4 divisors (see below), whose sum is σ = 40106368. Its totient is φ = 37599660.

The previous prime is 38852993. The next prime is 38853019. The reversal of 38853013 is 31035883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31035883 = 1637 ⋅18959.

It is a cyclic number.

It is not a de Polignac number, because 38853013 - 2⁹ = 38852501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1253323 = 38853013 / (3 + 8 + 8 + 5 + 3 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38853019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626631 + ... + 626692.

It is an arithmetic number, because the mean of its divisors is an integer number (10026592).

Almost surely, 2^38853013 is an apocalyptic number.

It is an amenable number.

38853013 is a deficient number, since it is larger than the sum of its proper divisors (1253355).

38853013 is a wasteful number, since it uses less digits than its factorization.

38853013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253354.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 38853013 is about 6233.2185105289. The cubic root of 38853013 is about 338.6945703435.

Adding to 38853013 its reverse (31035883), we get a palindrome (69888896).

The spelling of 38853013 in words is "thirty-eight million, eight hundred fifty-three thousand, thirteen".