38501629 has 2 divisors, whose sum is σ = 38501630. Its totient is φ = 38501628.

The previous prime is 38501627. The next prime is 38501633. The reversal of 38501629 is 92610583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26265625 + 12236004 = 5125^2 + 3498^2 .

It is a cyclic number.

It is not a de Polignac number, because 38501629 - 2¹ = 38501627 is a prime.

Together with 38501627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 38501594 and 38501603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38501627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19250814 + 19250815.

It is an arithmetic number, because the mean of its divisors is an integer number (19250815).

Almost surely, 2^38501629 is an apocalyptic number.

It is an amenable number.

38501629 is a deficient number, since it is larger than the sum of its proper divisors (1).

38501629 is an equidigital number, since it uses as much as digits as its factorization.

38501629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 38501629 is about 6204.9680901677. The cubic root of 38501629 is about 337.6704331691.

The spelling of 38501629 in words is "thirty-eight million, five hundred one thousand, six hundred twenty-nine".