1995830 has 8 divisors (see below), whose sum is σ = 3592512. Its totient is φ = 798328.

The previous prime is 1995827. The next prime is 1995841. The reversal of 1995830 is 385991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99782 + ... + 99801.

It is an arithmetic number, because the mean of its divisors is an integer number (449064).

2^1995830 is an apocalyptic number.

1995830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1995830 is a deficient number, since it is larger than the sum of its proper divisors (1596682).

1995830 is a wasteful number, since it uses less digits than its factorization.

1995830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199590.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1995830 is about 1412.7384754441. The cubic root of 1995830 is about 125.9044795486.

The spelling of 1995830 in words is "one million, nine hundred ninety-five thousand, eight hundred thirty".