38128673 has 12 divisors (see below), whose sum is σ = 42230160. Its totient is φ = 34397880.

The previous prime is 38128669. The next prime is 38128679. The reversal of 38128673 is 37682183.

It is a happy number.

It is not a de Polignac number, because 38128673 - 2² = 38128669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38128679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15686 + ... + 17952.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 2^38128673 is an apocalyptic number.

It is an amenable number.

38128673 is a deficient number, since it is larger than the sum of its proper divisors (4101487).

38128673 is a wasteful number, since it uses less digits than its factorization.

38128673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2417 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 38128673 is about 6174.8419412970. The cubic root of 38128673 is about 336.5765828755.

The spelling of 38128673 in words is "thirty-eight million, one hundred twenty-eight thousand, six hundred seventy-three".