38987097 has 4 divisors (see below), whose sum is σ = 51982800. Its totient is φ = 25991396.

The previous prime is 38987087. The next prime is 38987129. The reversal of 38987097 is 79078983.

It is a happy number.

38987097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38987097 - 2¹² = 38983001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38987087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6497847 + ... + 6497852.

It is an arithmetic number, because the mean of its divisors is an integer number (12995700).

Almost surely, 2^38987097 is an apocalyptic number.

It is an amenable number.

38987097 is a deficient number, since it is larger than the sum of its proper divisors (12995703).

38987097 is a wasteful number, since it uses less digits than its factorization.

38987097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995702.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 38987097 is about 6243.9648461534. The cubic root of 38987097 is about 339.0837412008.

The spelling of 38987097 in words is "thirty-eight million, nine hundred eighty-seven thousand, ninety-seven".