38015997 has 8 divisors (see below), whose sum is σ = 51766656. Its totient is φ = 24804672.

The previous prime is 38015977. The next prime is 38016007. The reversal of 38015997 is 79951083.

It is a happy number.

38015997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38015997 - 2⁷ = 38015869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38015947) 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 7 ways as a sum of consecutive naturals, for example, 134668 + ... + 134949.

It is an arithmetic number, because the mean of its divisors is an integer number (6470832).

Almost surely, 2^38015997 is an apocalyptic number.

It is an amenable number.

38015997 is a deficient number, since it is larger than the sum of its proper divisors (13750659).

38015997 is a wasteful number, since it uses less digits than its factorization.

38015997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269667.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 38015997 is about 6165.7113944783. The cubic root of 38015997 is about 336.2447108338.

The spelling of 38015997 in words is "thirty-eight million, fifteen thousand, nine hundred ninety-seven".