1874506 has 4 divisors (see below), whose sum is σ = 2811762. Its totient is φ = 937252.

The previous prime is 1874503. The next prime is 1874513. The reversal of 1874506 is 6054781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6054781 = 997 ⋅6073.

It can be written as a sum of positive squares in only one way, i.e., 1525225 + 349281 = 1235^2 + 591^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1874503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468625 + ... + 468628.

2^1874506 is an apocalyptic number.

1874506 is a deficient number, since it is larger than the sum of its proper divisors (937256).

1874506 is an equidigital number, since it uses as much as digits as its factorization.

1874506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937255.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1874506 is about 1369.1259985845. The cubic root of 1874506 is about 123.2997733541.

The spelling of 1874506 in words is "one million, eight hundred seventy-four thousand, five hundred six".