38397413 has 2 divisors, whose sum is σ = 38397414. Its totient is φ = 38397412.

The previous prime is 38397391. The next prime is 38397427. The reversal of 38397413 is 31479383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31730689 + 6666724 = 5633^2 + 2582^2 .

It is a cyclic number.

It is not a de Polignac number, because 38397413 - 2¹⁸ = 38135269 is a prime.

It is a super-2 number, since 2×38397413² = 2948722650185138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38397113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19198706 + 19198707.

It is an arithmetic number, because the mean of its divisors is an integer number (19198707).

Almost surely, 2^38397413 is an apocalyptic number.

It is an amenable number.

38397413 is a deficient number, since it is larger than the sum of its proper divisors (1).

38397413 is an equidigital number, since it uses as much as digits as its factorization.

38397413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 38397413 is about 6196.5646127512. The cubic root of 38397413 is about 337.3654896995.

The spelling of 38397413 in words is "thirty-eight million, three hundred ninety-seven thousand, four hundred thirteen".