38828057 has 2 divisors, whose sum is σ = 38828058. Its totient is φ = 38828056.

The previous prime is 38828029. The next prime is 38828087. The reversal of 38828057 is 75082883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34621456 + 4206601 = 5884^2 + 2051^2 .

It is an emirp because it is prime and its reverse (75082883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38828057 - 2⁶ = 38827993 is a prime.

It is not a weakly prime, because it can be changed into another prime (38828087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19414028 + 19414029.

It is an arithmetic number, because the mean of its divisors is an integer number (19414029).

Almost surely, 2^38828057 is an apocalyptic number.

It is an amenable number.

38828057 is a deficient number, since it is larger than the sum of its proper divisors (1).

38828057 is an equidigital number, since it uses as much as digits as its factorization.

38828057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 38828057 is about 6231.2163339111. The cubic root of 38828057 is about 338.6220382418.

The spelling of 38828057 in words is "thirty-eight million, eight hundred twenty-eight thousand, fifty-seven".