1887696 has 30 divisors (see below), whose sum is σ = 5283330. Its totient is φ = 629184.

The previous prime is 1887671. The next prime is 1887713. The reversal of 1887696 is 6967881.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 360000 = 1236^2 + 600^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6411 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (176111).

2^1887696 is an apocalyptic number.

1887696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1887696 is an abundant number, since it is smaller than the sum of its proper divisors (3395634).

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

1887696 is a wasteful number, since it uses less digits than its factorization.

1887696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123 (or 13114 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1887696 is about 1373.9344962552. The cubic root of 1887696 is about 123.5882981349.

The spelling of 1887696 in words is "one million, eight hundred eighty-seven thousand, six hundred ninety-six".