38730629 has 6 divisors (see below), whose sum is σ = 45054054. Its totient is φ = 33197640.

The previous prime is 38730599. The next prime is 38730647. The reversal of 38730629 is 92603783.

It can be written as a sum of positive squares in only one way, i.e., 38725729 + 4900 = 6223^2 + 70^2 .

It is not a de Polignac number, because 38730629 - 2²⁰ = 37682053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38730592 and 38730601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38730649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395162 + ... + 395259.

It is an arithmetic number, because the mean of its divisors is an integer number (7509009).

Almost surely, 2^38730629 is an apocalyptic number.

It is an amenable number.

38730629 is a deficient number, since it is larger than the sum of its proper divisors (6323425).

38730629 is an equidigital number, since it uses as much as digits as its factorization.

38730629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790435 (or 790428 counting only the distinct ones).

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

The square root of 38730629 is about 6223.3936883344. The cubic root of 38730629 is about 338.3385756884.

The spelling of 38730629 in words is "thirty-eight million, seven hundred thirty thousand, six hundred twenty-nine".