38668629 has 32 divisors (see below), whose sum is σ = 56880000. Its totient is φ = 23272704.

The previous prime is 38668613. The next prime is 38668633. The reversal of 38668629 is 92686683.

It is not a de Polignac number, because 38668629 - 2⁴ = 38668613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38668649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246219 + ... + 246375.

It is an arithmetic number, because the mean of its divisors is an integer number (1777500).

Almost surely, 2^38668629 is an apocalyptic number.

It is an amenable number.

38668629 is a deficient number, since it is larger than the sum of its proper divisors (18211371).

38668629 is a wasteful number, since it uses less digits than its factorization.

38668629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its digits is 746496, while the sum is 48.

The square root of 38668629 is about 6218.4104882196. The cubic root of 38668629 is about 338.1579417773.

The spelling of 38668629 in words is "thirty-eight million, six hundred sixty-eight thousand, six hundred twenty-nine".