38085997 has 2 divisors, whose sum is σ = 38085998. Its totient is φ = 38085996.

The previous prime is 38085991. The next prime is 38086049. The reversal of 38085997 is 79958083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35928036 + 2157961 = 5994^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 38085997 - 2¹¹ = 38083949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38085997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38085991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19042998 + 19042999.

It is an arithmetic number, because the mean of its divisors is an integer number (19042999).

Almost surely, 2^38085997 is an apocalyptic number.

It is an amenable number.

38085997 is a deficient number, since it is larger than the sum of its proper divisors (1).

38085997 is an equidigital number, since it uses as much as digits as its factorization.

38085997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 38085997 is about 6171.3853388036. The cubic root of 38085997 is about 336.4509634628.

The spelling of 38085997 in words is "thirty-eight million, eighty-five thousand, nine hundred ninety-seven".