1840084 has 12 divisors (see below), whose sum is σ = 3307444. Its totient is φ = 895104.

The previous prime is 1840073. The next prime is 1840087. The reversal of 1840084 is 4800481.

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 883600 = 978^2 + 940^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6069 + ... + 6364.

2^1840084 is an apocalyptic number.

It is an amenable number.

1840084 is a deficient number, since it is larger than the sum of its proper divisors (1467360).

1840084 is a wasteful number, since it uses less digits than its factorization.

1840084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474 (or 12472 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1840084 is about 1356.4969590825. The cubic root of 1840084 is about 122.5403781927.

The spelling of 1840084 in words is "one million, eight hundred forty thousand, eighty-four".