3972603 has 4 divisors (see below), whose sum is σ = 5296808. Its totient is φ = 2648400.

The previous prime is 3972601. The next prime is 3972643. The reversal of 3972603 is 3062793.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3062793 = 3 ⋅1020931.

It is not a de Polignac number, because 3972603 - 2¹ = 3972601 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3972601) 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, 662098 + ... + 662103.

It is an arithmetic number, because the mean of its divisors is an integer number (1324202).

Almost surely, 2^3972603 is an apocalyptic number.

3972603 is a deficient number, since it is larger than the sum of its proper divisors (1324205).

3972603 is a wasteful number, since it uses less digits than its factorization.

3972603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324204.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 3972603 is about 1993.1389816067. The cubic root of 3972603 is about 158.3768577174.

The spelling of 3972603 in words is "three million, nine hundred seventy-two thousand, six hundred three".