1840473 has 24 divisors (see below), whose sum is σ = 2870400. Its totient is φ = 1132704.

The previous prime is 1840469. The next prime is 1840493. The reversal of 1840473 is 3740481.

It is not a de Polignac number, because 1840473 - 2² = 1840469 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1840453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7923 + ... + 8151.

It is an arithmetic number, because the mean of its divisors is an integer number (119600).

2^1840473 is an apocalyptic number.

It is an amenable number.

1840473 is a deficient number, since it is larger than the sum of its proper divisors (1029927).

1840473 is a wasteful number, since it uses less digits than its factorization.

1840473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1840473 is about 1356.6403355348. The cubic root of 1840473 is about 122.5490127348.

The spelling of 1840473 in words is "one million, eight hundred forty thousand, four hundred seventy-three".