3978203 has 8 divisors (see below), whose sum is σ = 4140480. Its totient is φ = 3818880.

The previous prime is 3978197. The next prime is 3978217. The reversal of 3978203 is 3028793.

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

It is a cyclic number.

It is not a de Polignac number, because 3978203 - 2⁸ = 3977947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3978203.

It is not an unprimeable number, because it can be changed into a prime (3978253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2243 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (517560).

Almost surely, 2^3978203 is an apocalyptic number.

3978203 is a deficient number, since it is larger than the sum of its proper divisors (162277).

3978203 is a wasteful number, since it uses less digits than its factorization.

3978203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3978203 is about 1994.5433061230. The cubic root of 3978203 is about 158.4512416905.

The spelling of 3978203 in words is "three million, nine hundred seventy-eight thousand, two hundred three".