38842613 has 2 divisors, whose sum is σ = 38842614. Its totient is φ = 38842612.

The previous prime is 38842567. The next prime is 38842619. The reversal of 38842613 is 31624883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29343889 + 9498724 = 5417^2 + 3082^2 .

It is a cyclic number.

It is not a de Polignac number, because 38842613 - 2⁶ = 38842549 is a prime.

It is equal to p_2367386 and since 38842613 and 2367386 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 (38842619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19421306 + 19421307.

It is an arithmetic number, because the mean of its divisors is an integer number (19421307).

Almost surely, 2^38842613 is an apocalyptic number.

It is an amenable number.

38842613 is a deficient number, since it is larger than the sum of its proper divisors (1).

38842613 is an equidigital number, since it uses as much as digits as its factorization.

38842613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 38842613 is about 6232.3842147287. The cubic root of 38842613 is about 338.6643475663.

The spelling of 38842613 in words is "thirty-eight million, eight hundred forty-two thousand, six hundred thirteen".