38629689 has 40 divisors (see below), whose sum is σ = 62383872. Its totient is φ = 21238560.

The previous prime is 38629663. The next prime is 38629691. The reversal of 38629689 is 98692683.

38629689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38629689 - 2⁷ = 38629561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38629639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 223207 + ... + 223379.

Almost surely, 2^38629689 is an apocalyptic number.

It is an amenable number.

38629689 is a deficient number, since it is larger than the sum of its proper divisors (23754183).

38629689 is an equidigital number, since it uses as much as digits as its factorization.

38629689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 214 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 38629689 is about 6215.2786743637. The cubic root of 38629689 is about 338.0443932914.

The spelling of 38629689 in words is "thirty-eight million, six hundred twenty-nine thousand, six hundred eighty-nine".