38000557 has 4 divisors (see below), whose sum is σ = 43429216. Its totient is φ = 32571900.

The previous prime is 38000539. The next prime is 38000587. The reversal of 38000557 is 75500083.

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 38000557 - 2²³ = 29611949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38000537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2714319 + ... + 2714332.

It is an arithmetic number, because the mean of its divisors is an integer number (10857304).

Almost surely, 2^38000557 is an apocalyptic number.

It is an amenable number.

38000557 is a deficient number, since it is larger than the sum of its proper divisors (5428659).

38000557 is an equidigital number, since it uses as much as digits as its factorization.

38000557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428658.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 38000557 is about 6164.4591814692. The cubic root of 38000557 is about 336.1991833213.

The spelling of 38000557 in words is "thirty-eight million, five hundred fifty-seven", and thus it is an aban number.