38533849 has 4 divisors (see below), whose sum is σ = 40800564. Its totient is φ = 36267136.

The previous prime is 38533757. The next prime is 38533861. The reversal of 38533849 is 94833583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23941449 + 14592400 = 4893^2 + 3820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38533849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38533879) 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, 1133332 + ... + 1133365.

It is an arithmetic number, because the mean of its divisors is an integer number (10200141).

Almost surely, 2^38533849 is an apocalyptic number.

It is an amenable number.

38533849 is a deficient number, since it is larger than the sum of its proper divisors (2266715).

38533849 is a wasteful number, since it uses less digits than its factorization.

38533849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266714.

The product of its digits is 311040, while the sum is 43.

The square root of 38533849 is about 6207.5638538802. The cubic root of 38533849 is about 337.7645998156.

The spelling of 38533849 in words is "thirty-eight million, five hundred thirty-three thousand, eight hundred forty-nine".