38049887 has 4 divisors (see below), whose sum is σ = 38174136. Its totient is φ = 37925640.

The previous prime is 38049877. The next prime is 38049923. The reversal of 38049887 is 78894083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78894083 = 1321 ⋅59723.

It is a cyclic number.

It is not a de Polignac number, because 38049887 - 2¹⁰ = 38048863 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 (38049857) 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, 61664 + ... + 62277.

It is an arithmetic number, because the mean of its divisors is an integer number (9543534).

Almost surely, 2^38049887 is an apocalyptic number.

38049887 is a deficient number, since it is larger than the sum of its proper divisors (124249).

38049887 is a wasteful number, since it uses less digits than its factorization.

38049887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124248.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 38049887 is about 6168.4590458234. The cubic root of 38049887 is about 336.3445981588.

The spelling of 38049887 in words is "thirty-eight million, forty-nine thousand, eight hundred eighty-seven".