3980803 has 4 divisors (see below), whose sum is σ = 4109248. Its totient is φ = 3852360.

The previous prime is 3980761. The next prime is 3980819. The reversal of 3980803 is 3080893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3980803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 128413 = 3980803 / (3 + 9 + 8 + 0 + 8 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3980843) 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, 64176 + ... + 64237.

It is an arithmetic number, because the mean of its divisors is an integer number (1027312).

Almost surely, 2^3980803 is an apocalyptic number.

3980803 is a deficient number, since it is larger than the sum of its proper divisors (128445).

3980803 is a wasteful number, since it uses less digits than its factorization.

3980803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128444.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3980803 is about 1995.1949779408. The cubic root of 3980803 is about 158.4857533792.

The spelling of 3980803 in words is "three million, nine hundred eighty thousand, eight hundred three".