1895895 has 12 divisors (see below), whose sum is σ = 3286296. Its totient is φ = 1011120.

The previous prime is 1895893. The next prime is 1895903. The reversal of 1895895 is 5985981.

It is not a de Polignac number, because 1895895 - 2¹ = 1895893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 42131 = 1895895 / (1 + 8 + 9 + 5 + 8 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1895895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1895893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21021 + ... + 21110.

It is an arithmetic number, because the mean of its divisors is an integer number (273858).

2^1895895 is an apocalyptic number.

1895895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1895895 is a deficient number, since it is larger than the sum of its proper divisors (1390401).

1895895 is a wasteful number, since it uses less digits than its factorization.

1895895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42142 (or 42139 counting only the distinct ones).

The product of its digits is 129600, while the sum is 45.

The square root of 1895895 is about 1376.9150300581. The cubic root of 1895895 is about 123.7669704305.

It can be divided in two parts, 189 and 5895, that added together give a square (6084 = 78²).

The spelling of 1895895 in words is "one million, eight hundred ninety-five thousand, eight hundred ninety-five".