1995480 has 96 divisors (see below), whose sum is σ = 6795360. Its totient is φ = 506880.

The previous prime is 1995473. The next prime is 1995481. The reversal of 1995480 is 845991.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8160 + ... + 8400.

It is an arithmetic number, because the mean of its divisors is an integer number (70785).

2^1995480 is an apocalyptic number.

1995480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1995480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3397680).

1995480 is an abundant number, since it is smaller than the sum of its proper divisors (4799880).

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

1995480 is a wasteful number, since it uses less digits than its factorization.

1995480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1995480 is about 1412.6145971212. The cubic root of 1995480 is about 125.8971193452.

The spelling of 1995480 in words is "one million, nine hundred ninety-five thousand, four hundred eighty".