38865573 has 12 divisors (see below), whose sum is σ = 56193228. Its totient is φ = 25885440.

The previous prime is 38865521. The next prime is 38865611. The reversal of 38865573 is 37556883.

It can be written as a sum of positive squares in 2 ways, for example, as 35247969 + 3617604 = 5937^2 + 1902^2 .

It is not a de Polignac number, because 38865573 - 2⁹ = 38865061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38865173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17083 + ... + 19223.

It is an arithmetic number, because the mean of its divisors is an integer number (4682769).

Almost surely, 2^38865573 is an apocalyptic number.

It is an amenable number.

38865573 is a deficient number, since it is larger than the sum of its proper divisors (17327655).

38865573 is a wasteful number, since it uses less digits than its factorization.

38865573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4161 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 38865573 is about 6234.2259343081. The cubic root of 38865573 is about 338.7310629701.

The spelling of 38865573 in words is "thirty-eight million, eight hundred sixty-five thousand, five hundred seventy-three".