3974535 has 32 divisors (see below), whose sum is σ = 7200000. Its totient is φ = 2079648.

The previous prime is 3974527. The next prime is 3974539. The reversal of 3974535 is 5354793.

It is not a de Polignac number, because 3974535 - 2³ = 3974527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3974535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7716 + ... + 8214.

It is an arithmetic number, because the mean of its divisors is an integer number (225000).

Almost surely, 2^3974535 is an apocalyptic number.

3974535 is a deficient number, since it is larger than the sum of its proper divisors (3225465).

3974535 is a wasteful number, since it uses less digits than its factorization.

3974535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 3974535 is about 1993.6235853340. The cubic root of 3974535 is about 158.4025280818.

The spelling of 3974535 in words is "three million, nine hundred seventy-four thousand, five hundred thirty-five".