3973207 has 4 divisors (see below), whose sum is σ = 4540816. Its totient is φ = 3405600.

The previous prime is 3973183. The next prime is 3973213. The reversal of 3973207 is 7023793.

3973207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3973207 - 2¹⁵ = 3940439 is a prime.

It is a super-3 number, since 3×3973207³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973247) 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 3 ways as a sum of consecutive naturals, for example, 283794 + ... + 283807.

It is an arithmetic number, because the mean of its divisors is an integer number (1135204).

Almost surely, 2^3973207 is an apocalyptic number.

3973207 is a deficient number, since it is larger than the sum of its proper divisors (567609).

3973207 is an equidigital number, since it uses as much as digits as its factorization.

3973207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567608.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 3973207 is about 1993.2904956378. The cubic root of 3973207 is about 158.3848839221.

The spelling of 3973207 in words is "three million, nine hundred seventy-three thousand, two hundred seven".