38038433 has 4 divisors (see below), whose sum is σ = 38052420. Its totient is φ = 38024448.

The previous prime is 38038423. The next prime is 38038439. The reversal of 38038433 is 33483083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33483083 = 61 ⋅548903.

It can be written as a sum of positive squares in 2 ways, for example, as 18386944 + 19651489 = 4288^2 + 4433^2 .

It is a cyclic number.

It is not a de Polignac number, because 38038433 - 2¹⁸ = 37776289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38038433.

It is not an unprimeable number, because it can be changed into a prime (38038439) 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, 1448 + ... + 8841.

It is an arithmetic number, because the mean of its divisors is an integer number (9513105).

Almost surely, 2^38038433 is an apocalyptic number.

It is an amenable number.

38038433 is a deficient number, since it is larger than the sum of its proper divisors (13987).

38038433 is a wasteful number, since it uses less digits than its factorization.

38038433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13986.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 38038433 is about 6167.5305430942. The cubic root of 38038433 is about 336.3108452976.

The spelling of 38038433 in words is "thirty-eight million, thirty-eight thousand, four hundred thirty-three".