38072849 has 2 divisors, whose sum is σ = 38072850. Its totient is φ = 38072848.

The previous prime is 38072821. The next prime is 38072851. The reversal of 38072849 is 94827083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37736449 + 336400 = 6143^2 + 580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38072849 is a prime.

Together with 38072851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38072869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19036424 + 19036425.

It is an arithmetic number, because the mean of its divisors is an integer number (19036425).

Almost surely, 2^38072849 is an apocalyptic number.

It is an amenable number.

38072849 is a deficient number, since it is larger than the sum of its proper divisors (1).

38072849 is an equidigital number, since it uses as much as digits as its factorization.

38072849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38072849 is about 6170.3200079088. The cubic root of 38072849 is about 336.4122426139.

The spelling of 38072849 in words is "thirty-eight million, seventy-two thousand, eight hundred forty-nine".