1871874 has 12 divisors (see below), whose sum is σ = 4055766. Its totient is φ = 623952.

The previous prime is 1871851. The next prime is 1871879. The reversal of 1871874 is 4781781.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 8649 = 1365^2 + 93^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1871879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51979 + ... + 52014.

2^1871874 is an apocalyptic number.

1871874 is an abundant number, since it is smaller than the sum of its proper divisors (2183892).

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

1871874 is a wasteful number, since it uses less digits than its factorization.

1871874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104001 (or 103998 counting only the distinct ones).

The product of its digits is 12544, while the sum is 36.

The square root of 1871874 is about 1368.1644637981. The cubic root of 1871874 is about 123.2420377852.

The spelling of 1871874 in words is "one million, eight hundred seventy-one thousand, eight hundred seventy-four".