3957653 has 4 divisors (see below), whose sum is σ = 4523040. Its totient is φ = 3392268.

The previous prime is 3957647. The next prime is 3957671. The reversal of 3957653 is 3567593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3957653 - 2⁴ = 3957637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957673) 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, 282683 + ... + 282696.

It is an arithmetic number, because the mean of its divisors is an integer number (1130760).

Almost surely, 2^3957653 is an apocalyptic number.

It is an amenable number.

3957653 is a deficient number, since it is larger than the sum of its proper divisors (565387).

3957653 is an equidigital number, since it uses as much as digits as its factorization.

3957653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565386.

The product of its digits is 85050, while the sum is 38.

The square root of 3957653 is about 1989.3850808730. The cubic root of 3957653 is about 158.1779360538.

The spelling of 3957653 in words is "three million, nine hundred fifty-seven thousand, six hundred fifty-three".