1887141 has 8 divisors (see below), whose sum is σ = 2574880. Its totient is φ = 1228752.

The previous prime is 1887133. The next prime is 1887143. The reversal of 1887141 is 1417881.

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

It is not a de Polignac number, because 1887141 - 2³ = 1887133 is a prime.

It is a super-2 number, since 2×1887141² = 7122602307762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1887099 and 1887108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1887143) 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, 7186 + ... + 7443.

It is an arithmetic number, because the mean of its divisors is an integer number (321860).

2^1887141 is an apocalyptic number.

It is an amenable number.

1887141 is a deficient number, since it is larger than the sum of its proper divisors (687739).

1887141 is a wasteful number, since it uses less digits than its factorization.

1887141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14675.

The product of its digits is 1792, while the sum is 30.

The square root of 1887141 is about 1373.7325067130. The cubic root of 1887141 is about 123.5761849153.

The spelling of 1887141 in words is "one million, eight hundred eighty-seven thousand, one hundred forty-one".