1874842 has 4 divisors (see below), whose sum is σ = 2812266. Its totient is φ = 937420.

The previous prime is 1874839. The next prime is 1874857. The reversal of 1874842 is 2484781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2484781 = 13 ⋅191137.

It can be written as a sum of positive squares in only one way, i.e., 1466521 + 408321 = 1211^2 + 639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1874798 and 1874807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468709 + ... + 468712.

2^1874842 is an apocalyptic number.

1874842 is a deficient number, since it is larger than the sum of its proper divisors (937424).

1874842 is an equidigital number, since it uses as much as digits as its factorization.

1874842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937423.

The product of its digits is 14336, while the sum is 34.

The square root of 1874842 is about 1369.2486991047. The cubic root of 1874842 is about 123.3071399614.

The spelling of 1874842 in words is "one million, eight hundred seventy-four thousand, eight hundred forty-two".