38890927 has 4 divisors (see below), whose sum is σ = 39105976. Its totient is φ = 38675880.

The previous prime is 38890921. The next prime is 38890981. The reversal of 38890927 is 72909883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72909883 = 1801 ⋅40483.

It is a cyclic number.

It is not a de Polignac number, because 38890927 - 2⁷ = 38890799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38890921) 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, 107253 + ... + 107614.

It is an arithmetic number, because the mean of its divisors is an integer number (9776494).

Almost surely, 2^38890927 is an apocalyptic number.

38890927 is a deficient number, since it is larger than the sum of its proper divisors (215049).

38890927 is a wasteful number, since it uses less digits than its factorization.

38890927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215048.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 38890927 is about 6236.2590549143. The cubic root of 38890927 is about 338.8047041550.

The spelling of 38890927 in words is "thirty-eight million, eight hundred ninety thousand, nine hundred twenty-seven".