38128629 has 16 divisors (see below), whose sum is σ = 63383040. Its totient is φ = 19806960.

The previous prime is 38128627. The next prime is 38128669. The reversal of 38128629 is 92682183.

It is a happy number.

It is not a de Polignac number, because 38128629 - 2¹ = 38128627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38128621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82299 + ... + 82760.

It is an arithmetic number, because the mean of its divisors is an integer number (3961440).

Almost surely, 2^38128629 is an apocalyptic number.

It is an amenable number.

38128629 is a deficient number, since it is larger than the sum of its proper divisors (25254411).

38128629 is a wasteful number, since it uses less digits than its factorization.

38128629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165080.

The product of its digits is 41472, while the sum is 39.

The square root of 38128629 is about 6174.8383784517. The cubic root of 38128629 is about 336.5764534070.

The spelling of 38128629 in words is "thirty-eight million, one hundred twenty-eight thousand, six hundred twenty-nine".