1995030 has 48 divisors (see below), whose sum is σ = 5385744. Its totient is φ = 531360.

The previous prime is 1995023. The next prime is 1995031. The reversal of 1995030 is 305991.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1994985 and 1995003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2020 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (112203).

2^1995030 is an apocalyptic number.

1995030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1995030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692872).

1995030 is an abundant number, since it is smaller than the sum of its proper divisors (3390714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1995030 is an equidigital number, since it uses as much as digits as its factorization.

1995030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 1995030 is about 1412.4553090275. The cubic root of 1995030 is about 125.8876549619.

Subtracting from 1995030 its sum of digits (27), we obtain a triangular number (1995003 = T₁₉₉₇).

The spelling of 1995030 in words is "one million, nine hundred ninety-five thousand, thirty".