38015797 has 2 divisors, whose sum is σ = 38015798. Its totient is φ = 38015796.

The previous prime is 38015777. The next prime is 38015801. The reversal of 38015797 is 79751083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36554116 + 1461681 = 6046^2 + 1209^2 .

It is an emirp because it is prime and its reverse (79751083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38015797 - 2²³ = 29627189 is a prime.

It is equal to p_2319889 and since 38015797 and 2319889 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38015737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19007898 + 19007899.

It is an arithmetic number, because the mean of its divisors is an integer number (19007899).

Almost surely, 2^38015797 is an apocalyptic number.

It is an amenable number.

38015797 is a deficient number, since it is larger than the sum of its proper divisors (1).

38015797 is an equidigital number, since it uses as much as digits as its factorization.

38015797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 38015797 is about 6165.6951757284. The cubic root of 38015797 is about 336.2441211780.

The spelling of 38015797 in words is "thirty-eight million, fifteen thousand, seven hundred ninety-seven".