3972535 has 8 divisors (see below), whose sum is σ = 5448096. Its totient is φ = 2724000.

The previous prime is 3972533. The next prime is 3972541. The reversal of 3972535 is 5352793.

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

It is not a de Polignac number, because 3972535 - 2¹ = 3972533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3972535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56716 + ... + 56785.

It is an arithmetic number, because the mean of its divisors is an integer number (681012).

Almost surely, 2^3972535 is an apocalyptic number.

3972535 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3972535 is a deficient number, since it is larger than the sum of its proper divisors (1475561).

3972535 is a wasteful number, since it uses less digits than its factorization.

3972535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113513.

The product of its digits is 28350, while the sum is 34.

The square root of 3972535 is about 1993.1219230142. The cubic root of 3972535 is about 158.3759540540.

The spelling of 3972535 in words is "three million, nine hundred seventy-two thousand, five hundred thirty-five".