1995048 has 72 divisors (see below), whose sum is σ = 5965050. Its totient is φ = 601920.

The previous prime is 1995031. The next prime is 1995061. The reversal of 1995048 is 8405991.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 736164 = 1122^2 + 858^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8598 + ... + 8826.

2^1995048 is an apocalyptic number.

1995048 is a gapful number since it is divisible by the number (18) 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 1995048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2982525).

1995048 is an abundant number, since it is smaller than the sum of its proper divisors (3970002).

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

1995048 is a wasteful number, since it uses less digits than its factorization.

1995048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 245 counting only the distinct ones).

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

The square root of 1995048 is about 1412.4616808962. The cubic root of 1995048 is about 125.8880335646. Note that the first 3 decimals are identical.

The spelling of 1995048 in words is "one million, nine hundred ninety-five thousand, forty-eight".