3780003 has 8 divisors (see below), whose sum is σ = 5049088. Its totient is φ = 2515464.

The previous prime is 3779929. The next prime is 3780017. The reversal of 3780003 is 3000873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3780003 - 2¹² = 3775907 is a prime.

It is a Duffinian number.

3780003 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3780043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2250 + ... + 3552.

It is an arithmetic number, because the mean of its divisors is an integer number (631136).

Almost surely, 2^3780003 is an apocalyptic number.

3780003 is a deficient number, since it is larger than the sum of its proper divisors (1269085).

3780003 is a wasteful number, since it uses less digits than its factorization.

3780003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3780003 is about 1944.2229810390. Note that the first 3 decimals coincide. The cubic root of 3780003 is about 155.7748642658.

Adding to 3780003 its reverse (3000873), we get a palindrome (6780876).

The spelling of 3780003 in words is "three million, seven hundred eighty thousand, three".