1995456 has 56 divisors (see below), whose sum is σ = 5567680. Its totient is φ = 628992.

The previous prime is 1995449. The next prime is 1995473. The reversal of 1995456 is 6545991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375 + ... + 3921.

2^1995456 is an apocalyptic number.

1995456 is a gapful number since it is divisible by the number (16) 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 1995456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783840).

1995456 is an abundant number, since it is smaller than the sum of its proper divisors (3572224).

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

1995456 is a wasteful number, since it uses less digits than its factorization.

1995456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 571 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 1995456 is about 1412.6061022097. The cubic root of 1995456 is about 125.8966146140.

The spelling of 1995456 in words is "one million, nine hundred ninety-five thousand, four hundred fifty-six".