3998582 has 8 divisors (see below), whose sum is σ = 6854736. Its totient is φ = 1713672.

The previous prime is 3998581. The next prime is 3998591. The reversal of 3998582 is 2858993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998581) 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, 142793 + ... + 142820.

It is an arithmetic number, because the mean of its divisors is an integer number (856842).

Almost surely, 2^3998582 is an apocalyptic number.

3998582 is a deficient number, since it is larger than the sum of its proper divisors (2856154).

3998582 is a wasteful number, since it uses less digits than its factorization.

3998582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285622.

The product of its digits is 155520, while the sum is 44.

The square root of 3998582 is about 1999.6454685769. The cubic root of 3998582 is about 158.7213451907.

The spelling of 3998582 in words is "three million, nine hundred ninety-eight thousand, five hundred eighty-two".