3997598 has 12 divisors (see below), whose sum is σ = 6591480. Its totient is φ = 1816980.

The previous prime is 3997597. The next prime is 3997603. The reversal of 3997598 is 8957993.

3997598 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8018 + ... + 8501.

It is an arithmetic number, because the mean of its divisors is an integer number (549290).

Almost surely, 2^3997598 is an apocalyptic number.

3997598 is a deficient number, since it is larger than the sum of its proper divisors (2593882).

3997598 is a wasteful number, since it uses less digits than its factorization.

3997598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16543 (or 16532 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 3997598 is about 1999.3994098229. The cubic root of 3997598 is about 158.7083243568.

It can be divided in two parts, 399 and 7598, that added together give a palindrome (7997).

The spelling of 3997598 in words is "three million, nine hundred ninety-seven thousand, five hundred ninety-eight".