3972435 has 8 divisors (see below), whose sum is σ = 6355920. Its totient is φ = 2118624.

The previous prime is 3972427. The next prime is 3972439. The reversal of 3972435 is 5342793.

It is a happy number.

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

It is not a de Polignac number, because 3972435 - 2³ = 3972427 is a prime.

It is a d-powerful number, because it can be written as 3 + 9 + 7⁷ + 2²¹ + 4¹⁰ + 3³ + 5⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 3972396 and 3972405.

It is not an unprimeable number, because it can be changed into a prime (3972439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132400 + ... + 132429.

It is an arithmetic number, because the mean of its divisors is an integer number (794490).

Almost surely, 2^3972435 is an apocalyptic number.

3972435 is a deficient number, since it is larger than the sum of its proper divisors (2383485).

3972435 is a wasteful number, since it uses less digits than its factorization.

3972435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264837.

The product of its digits is 22680, while the sum is 33.

The square root of 3972435 is about 1993.0968365837. The cubic root of 3972435 is about 158.3746251185.

The spelling of 3972435 in words is "three million, nine hundred seventy-two thousand, four hundred thirty-five".