3997593 has 12 divisors (see below), whose sum is σ = 5988528. Its totient is φ = 2664900.

The previous prime is 3997583. The next prime is 3997597. The reversal of 3997593 is 3957993.

It is not a de Polignac number, because 3997593 - 2⁴ = 3997577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3997597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7983 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (499044).

Almost surely, 2^3997593 is an apocalyptic number.

It is an amenable number.

3997593 is a deficient number, since it is larger than the sum of its proper divisors (1990935).

3997593 is an equidigital number, since it uses as much as digits as its factorization.

3997593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16466 (or 16454 counting only the distinct ones).

The product of its digits is 229635, while the sum is 45.

The square root of 3997593 is about 1999.3981594470. The cubic root of 3997593 is about 158.7082581886.

The spelling of 3997593 in words is "three million, nine hundred ninety-seven thousand, five hundred ninety-three".