38780003 has 4 divisors (see below), whose sum is σ = 38849448. Its totient is φ = 38710560.

The previous prime is 38779883. The next prime is 38780017. The reversal of 38780003 is 30008783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30008783 = 7 ⋅4286969.

It is a cyclic number.

It is not a de Polignac number, because 38780003 - 2¹⁴ = 38763619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38780603) 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, 33878 + ... + 35003.

It is an arithmetic number, because the mean of its divisors is an integer number (9712362).

Almost surely, 2^38780003 is an apocalyptic number.

38780003 is a deficient number, since it is larger than the sum of its proper divisors (69445).

38780003 is an equidigital number, since it uses as much as digits as its factorization.

38780003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69444.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 38780003 is about 6227.3592316487. The cubic root of 38780003 is about 338.4822865420.

Adding to 38780003 its reverse (30008783), we get a palindrome (68788786).

The spelling of 38780003 in words is "thirty-eight million, seven hundred eighty thousand, three".