38128801 has 4 divisors (see below), whose sum is σ = 40135600. Its totient is φ = 36122004.

The previous prime is 38128793. The next prime is 38128817. The reversal of 38128801 is 10882183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38128801 - 2³ = 38128793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38128001) 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 3 ways as a sum of consecutive naturals, for example, 1003371 + ... + 1003408.

It is an arithmetic number, because the mean of its divisors is an integer number (10033900).

Almost surely, 2^38128801 is an apocalyptic number.

It is an amenable number.

38128801 is a deficient number, since it is larger than the sum of its proper divisors (2006799).

38128801 is a wasteful number, since it uses less digits than its factorization.

38128801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006798.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 38128801 is about 6174.8523059260. The cubic root of 38128801 is about 336.5769595102.

The spelling of 38128801 in words is "thirty-eight million, one hundred twenty-eight thousand, eight hundred one".