3721803 has 8 divisors (see below), whose sum is σ = 5022528. Its totient is φ = 2451144.

The previous prime is 3721799. The next prime is 3721807. The reversal of 3721803 is 3081273.

3721803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3721799) and next prime (3721807).

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

It is not a de Polignac number, because 3721803 - 2² = 3721799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3721807) 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 7 ways as a sum of consecutive naturals, for example, 7225 + ... + 7722.

It is an arithmetic number, because the mean of its divisors is an integer number (627816).

Almost surely, 2^3721803 is an apocalyptic number.

3721803 is a deficient number, since it is larger than the sum of its proper divisors (1300725).

3721803 is a wasteful number, since it uses less digits than its factorization.

3721803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15033.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 3721803 is about 1929.1975015534. The cubic root of 3721803 is about 154.9712468344.

The spelling of 3721803 in words is "three million, seven hundred twenty-one thousand, eight hundred three".