38974049 has 4 divisors (see below), whose sum is σ = 38988564. Its totient is φ = 38959536.

The previous prime is 38974031. The next prime is 38974051. The reversal of 38974049 is 94047983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94047983 = 3697 ⋅25439.

It can be written as a sum of positive squares in 2 ways, for example, as 13653025 + 25321024 = 3695^2 + 5032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38974049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38974009) 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, 1922 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (9747141).

Almost surely, 2^38974049 is an apocalyptic number.

It is an amenable number.

38974049 is a deficient number, since it is larger than the sum of its proper divisors (14515).

38974049 is a wasteful number, since it uses less digits than its factorization.

38974049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14514.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 38974049 is about 6242.9199097858. The cubic root of 38974049 is about 339.0459093824.

The spelling of 38974049 in words is "thirty-eight million, nine hundred seventy-four thousand, forty-nine".