1995598 has 8 divisors (see below), whose sum is σ = 3265560. Its totient is φ = 907080.

The previous prime is 1995583. The next prime is 1995607. The reversal of 1995598 is 8955991.

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

It is a super-2 number, since 2×1995598² = 7964822755208, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 9 + 9 + 5⁵ + 5⁹ + 9⁴ + 8⁵ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45333 + ... + 45376.

It is an arithmetic number, because the mean of its divisors is an integer number (408195).

2^1995598 is an apocalyptic number.

1995598 is a deficient number, since it is larger than the sum of its proper divisors (1269962).

1995598 is a wasteful number, since it uses less digits than its factorization.

1995598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90722.

The product of its digits is 145800, while the sum is 46.

The square root of 1995598 is about 1412.6563630268. The cubic root of 1995598 is about 125.8996008814.

It can be divided in two parts, 1 and 995598, that added together give a palindrome (995599).

The spelling of 1995598 in words is "one million, nine hundred ninety-five thousand, five hundred ninety-eight".