38124397 has 2 divisors, whose sum is σ = 38124398. Its totient is φ = 38124396.

The previous prime is 38124371. The next prime is 38124403. The reversal of 38124397 is 79342183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25867396 + 12257001 = 5086^2 + 3501^2 .

It is an emirp because it is prime and its reverse (79342183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38124397 - 2⁷ = 38124269 is a prime.

It is a super-2 number, since 2×38124397² = 2906939293227218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38124337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19062198 + 19062199.

It is an arithmetic number, because the mean of its divisors is an integer number (19062199).

Almost surely, 2^38124397 is an apocalyptic number.

It is an amenable number.

38124397 is a deficient number, since it is larger than the sum of its proper divisors (1).

38124397 is an equidigital number, since it uses as much as digits as its factorization.

38124397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 38124397 is about 6174.4956879084. The cubic root of 38124397 is about 336.5640004350.

The spelling of 38124397 in words is "thirty-eight million, one hundred twenty-four thousand, three hundred ninety-seven".