38388853 has 4 divisors (see below), whose sum is σ = 38472588. Its totient is φ = 38305120.

The previous prime is 38388851. The next prime is 38388871. The reversal of 38388853 is 35888383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35888383 = 137 ⋅261959.

It can be written as a sum of positive squares in 2 ways, for example, as 16176484 + 22212369 = 4022^2 + 4713^2 .

It is a cyclic number.

It is not a de Polignac number, because 38388853 - 2¹ = 38388851 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 (38388851) 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, 41176 + ... + 42097.

It is an arithmetic number, because the mean of its divisors is an integer number (9618147).

Almost surely, 2^38388853 is an apocalyptic number.

It is an amenable number.

38388853 is a deficient number, since it is larger than the sum of its proper divisors (83735).

38388853 is an equidigital number, since it uses as much as digits as its factorization.

38388853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83734.

The product of its digits is 552960, while the sum is 46.

The square root of 38388853 is about 6195.8738689550. The cubic root of 38388853 is about 337.3404180172.

The spelling of 38388853 in words is "thirty-eight million, three hundred eighty-eight thousand, eight hundred fifty-three".