38670553 has 4 divisors (see below), whose sum is σ = 38683008. Its totient is φ = 38658100.

The previous prime is 38670551. The next prime is 38670557. The reversal of 38670553 is 35507683.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35507683 = 1459 ⋅24337.

It is a cyclic number.

It is not a de Polignac number, because 38670553 - 2¹ = 38670551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38670551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (9670752).

Almost surely, 2^38670553 is an apocalyptic number.

It is an amenable number.

38670553 is a deficient number, since it is larger than the sum of its proper divisors (12455).

38670553 is an equidigital number, since it uses as much as digits as its factorization.

38670553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12454.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 38670553 is about 6218.5651882086. The cubic root of 38670553 is about 338.1635501572.

The spelling of 38670553 in words is "thirty-eight million, six hundred seventy thousand, five hundred fifty-three".