38970015 has 16 divisors (see below), whose sum is σ = 71259648. Its totient is φ = 17814816.

The previous prime is 38970013. The next prime is 38970017. The reversal of 38970015 is 51007983.

38970015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38970013) and next prime (38970017).

It is not a de Polignac number, because 38970015 - 2¹ = 38970013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38970013) 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 15 ways as a sum of consecutive naturals, for example, 185467 + ... + 185676.

It is an arithmetic number, because the mean of its divisors is an integer number (4453728).

Almost surely, 2^38970015 is an apocalyptic number.

38970015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38970015 is a deficient number, since it is larger than the sum of its proper divisors (32289633).

38970015 is a wasteful number, since it uses less digits than its factorization.

38970015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371158.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 38970015 is about 6242.5968154287. The cubic root of 38970015 is about 339.0342113558.

Adding to 38970015 its reverse (51007983), we get a palindrome (89977998).

The spelling of 38970015 in words is "thirty-eight million, nine hundred seventy thousand, fifteen".