38193253 has 4 divisors (see below), whose sum is σ = 43649440. Its totient is φ = 32737068.

The previous prime is 38193247. The next prime is 38193257. The reversal of 38193253 is 35239183.

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.

It is not a de Polignac number, because 38193253 - 2²¹ = 36096101 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 (38193257) 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, 2728083 + ... + 2728096.

It is an arithmetic number, because the mean of its divisors is an integer number (10912360).

Almost surely, 2^38193253 is an apocalyptic number.

It is an amenable number.

38193253 is a deficient number, since it is larger than the sum of its proper divisors (5456187).

38193253 is an equidigital number, since it uses as much as digits as its factorization.

38193253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456186.

The product of its digits is 19440, while the sum is 34.

The square root of 38193253 is about 6180.0690125596. The cubic root of 38193253 is about 336.7664999272.

The spelling of 38193253 in words is "thirty-eight million, one hundred ninety-three thousand, two hundred fifty-three".