1812474 has 12 divisors (see below), whose sum is σ = 3927066. Its totient is φ = 604152.

The previous prime is 1812457. The next prime is 1812509. The reversal of 1812474 is 4742181.

It can be written as a sum of positive squares in only one way, i.e., 1671849 + 140625 = 1293^2 + 375^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50329 + ... + 50364.

2^1812474 is an apocalyptic number.

1812474 is an abundant number, since it is smaller than the sum of its proper divisors (2114592).

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

1812474 is a wasteful number, since it uses less digits than its factorization.

1812474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100701 (or 100698 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1812474 is about 1346.2815455914. The cubic root of 1812474 is about 121.9243910265.

The spelling of 1812474 in words is "one million, eight hundred twelve thousand, four hundred seventy-four".