38445011 has 4 divisors (see below), whose sum is σ = 41940024. Its totient is φ = 34950000.

The previous prime is 38444971. The next prime is 38445023. The reversal of 38445011 is 11054483.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38445011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38445031) 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, 1747490 + ... + 1747511.

It is an arithmetic number, because the mean of its divisors is an integer number (10485006).

Almost surely, 2^38445011 is an apocalyptic number.

38445011 is a deficient number, since it is larger than the sum of its proper divisors (3495013).

38445011 is a wasteful number, since it uses less digits than its factorization.

38445011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495012.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 38445011 is about 6200.4040997341. The cubic root of 38445011 is about 337.5048332184.

Adding to 38445011 its reverse (11054483), we get a palindrome (49499494).

The spelling of 38445011 in words is "thirty-eight million, four hundred forty-five thousand, eleven".