38660115 has 16 divisors (see below), whose sum is σ = 66614688. Its totient is φ = 19032576.

The previous prime is 38660093. The next prime is 38660129. The reversal of 38660115 is 51106683.

38660115 = T₁₀₅₈ + T₁₀₅₉ + ... + T₁₁₂₂.

It is not a de Polignac number, because 38660115 - 2⁶ = 38660051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98934 + ... + 99323.

It is an arithmetic number, because the mean of its divisors is an integer number (4163418).

Almost surely, 2^38660115 is an apocalyptic number.

38660115 is a deficient number, since it is larger than the sum of its proper divisors (27954573).

38660115 is a wasteful number, since it uses less digits than its factorization.

38660115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198278.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 38660115 is about 6217.7258704449. The cubic root of 38660115 is about 338.1331215883.

Adding to 38660115 its reverse (51106683), we get a palindrome (89766798).

The spelling of 38660115 in words is "thirty-eight million, six hundred sixty thousand, one hundred fifteen".