3778003 has 8 divisors (see below), whose sum is σ = 3963168. Its totient is φ = 3594624.

The previous prime is 3777997. The next prime is 3778007. The reversal of 3778003 is 3008773.

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

It is not a de Polignac number, because 3778003 - 2⁵ = 3777971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3778007) 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, 6075 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (495396).

Almost surely, 2^3778003 is an apocalyptic number.

3778003 is a deficient number, since it is larger than the sum of its proper divisors (185165).

3778003 is a wasteful number, since it uses less digits than its factorization.

3778003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 3778003 is about 1943.7085686903. The cubic root of 3778003 is about 155.7473859197.

The spelling of 3778003 in words is "three million, seven hundred seventy-eight thousand, three".