38660057 has 4 divisors (see below), whose sum is σ = 40934196. Its totient is φ = 36385920.

The previous prime is 38660051. The next prime is 38660081. The reversal of 38660057 is 75006683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75006683 = 151 ⋅496733.

It can be written as a sum of positive squares in 2 ways, for example, as 14295961 + 24364096 = 3781^2 + 4936^2 .

It is a cyclic number.

It is not a de Polignac number, because 38660057 - 2¹² = 38655961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38659999 and 38660026.

It is not an unprimeable number, because it can be changed into a prime (38660051) 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, 1137044 + ... + 1137077.

It is an arithmetic number, because the mean of its divisors is an integer number (10233549).

Almost surely, 2^38660057 is an apocalyptic number.

It is an amenable number.

38660057 is a deficient number, since it is larger than the sum of its proper divisors (2274139).

38660057 is a wasteful number, since it uses less digits than its factorization.

38660057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274138.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 38660057 is about 6217.7212063585. The cubic root of 38660057 is about 338.1329524930.

The spelling of 38660057 in words is "thirty-eight million, six hundred sixty thousand, fifty-seven".