38434057 has 4 divisors (see below), whose sum is σ = 38446740. Its totient is φ = 38421376.

The previous prime is 38434043. The next prime is 38434061. The reversal of 38434057 is 75043483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75043483 = 19 ⋅3949657.

It can be written as a sum of positive squares in 2 ways, for example, as 21261321 + 17172736 = 4611^2 + 4144^2 .

It is a cyclic number.

It is not a de Polignac number, because 38434057 - 2⁷ = 38433929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38434037) 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, 1173 + ... + 8845.

It is an arithmetic number, because the mean of its divisors is an integer number (9611685).

Almost surely, 2^38434057 is an apocalyptic number.

It is an amenable number.

38434057 is a deficient number, since it is larger than the sum of its proper divisors (12683).

38434057 is an equidigital number, since it uses as much as digits as its factorization.

38434057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 38434057 is about 6199.5207072805. The cubic root of 38434057 is about 337.4727754903.

The spelling of 38434057 in words is "thirty-eight million, four hundred thirty-four thousand, fifty-seven".