1881795 has 8 divisors (see below), whose sum is σ = 3010896. Its totient is φ = 1003616.

The previous prime is 1881787. The next prime is 1881799. The reversal of 1881795 is 5971881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1881795 - 2³ = 1881787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1881799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62712 + ... + 62741.

It is an arithmetic number, because the mean of its divisors is an integer number (376362).

2^1881795 is an apocalyptic number.

1881795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1881795 is a deficient number, since it is larger than the sum of its proper divisors (1129101).

1881795 is a wasteful number, since it uses less digits than its factorization.

1881795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125461.

The product of its digits is 20160, while the sum is 39.

The square root of 1881795 is about 1371.7853330605. The cubic root of 1881795 is about 123.4593833445.

The spelling of 1881795 in words is "one million, eight hundred eighty-one thousand, seven hundred ninety-five".