3997459 has 4 divisors (see below), whose sum is σ = 4095000. Its totient is φ = 3899920.

The previous prime is 3997457. The next prime is 3997463. The reversal of 3997459 is 9547993.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3997459 - 2¹ = 3997457 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997453) 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, 48709 + ... + 48790.

It is an arithmetic number, because the mean of its divisors is an integer number (1023750).

Almost surely, 2^3997459 is an apocalyptic number.

3997459 is a deficient number, since it is larger than the sum of its proper divisors (97541).

3997459 is an equidigital number, since it uses as much as digits as its factorization.

3997459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97540.

The product of its digits is 306180, while the sum is 46.

The square root of 3997459 is about 1999.3646490823. The cubic root of 3997459 is about 158.7064848594.

The spelling of 3997459 in words is "three million, nine hundred ninety-seven thousand, four hundred fifty-nine".