38997273 has 16 divisors (see below), whose sum is σ = 60875136. Its totient is φ = 21740160.

The previous prime is 38997229. The next prime is 38997293. The reversal of 38997273 is 37279983.

It is not a de Polignac number, because 38997273 - 2⁶ = 38997209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38997293) 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 15 ways as a sum of consecutive naturals, for example, 21786 + ... + 23507.

It is an arithmetic number, because the mean of its divisors is an integer number (3804696).

Almost surely, 2^38997273 is an apocalyptic number.

It is an amenable number.

38997273 is a deficient number, since it is larger than the sum of its proper divisors (21877863).

38997273 is a wasteful number, since it uses less digits than its factorization.

38997273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45344.

The product of its digits is 571536, while the sum is 48.

The square root of 38997273 is about 6244.7796598439. The cubic root of 38997273 is about 339.1132399859.

The spelling of 38997273 in words is "thirty-eight million, nine hundred ninety-seven thousand, two hundred seventy-three".