38915873 has 12 divisors (see below), whose sum is σ = 41817420. Its totient is φ = 36215168.

The previous prime is 38915867. The next prime is 38915879. The reversal of 38915873 is 37851983.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (38915867) and next prime (38915879).

It can be written as a sum of positive squares in 6 ways, for example, as 2999824 + 35916049 = 1732^2 + 5993^2 .

It is not a de Polignac number, because 38915873 - 2¹⁰ = 38914849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38915879) 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, 437213 + ... + 437301.

It is an arithmetic number, because the mean of its divisors is an integer number (3484785).

Almost surely, 2^38915873 is an apocalyptic number.

It is an amenable number.

38915873 is a deficient number, since it is larger than the sum of its proper divisors (2901547).

38915873 is an frugal number, since it uses more digits than its factorization.

38915873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 106 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 38915873 is about 6238.2588115595. The cubic root of 38915873 is about 338.8771290653.

The spelling of 38915873 in words is "thirty-eight million, nine hundred fifteen thousand, eight hundred seventy-three".