3978603 has 12 divisors (see below), whose sum is σ = 5841888. Its totient is φ = 2608560.

The previous prime is 3978593. The next prime is 3978641. The reversal of 3978603 is 3068793.

It is not a de Polignac number, because 3978603 - 2⁴ = 3978587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3978643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3075 + ... + 4172.

It is an arithmetic number, because the mean of its divisors is an integer number (486824).

Almost surely, 2^3978603 is an apocalyptic number.

3978603 is a deficient number, since it is larger than the sum of its proper divisors (1863285).

3978603 is a wasteful number, since it uses less digits than its factorization.

3978603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7314 (or 7311 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3978603 is about 1994.6435771837. The cubic root of 3978603 is about 158.4565521596.

The spelling of 3978603 in words is "three million, nine hundred seventy-eight thousand, six hundred three".