1840706 has 8 divisors (see below), whose sum is σ = 3155520. Its totient is φ = 788868.

The previous prime is 1840703. The next prime is 1840711. The reversal of 1840706 is 6070481.

1840706 = 286² + 287² + ... + 306².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1840703) 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, 65726 + ... + 65753.

It is an arithmetic number, because the mean of its divisors is an integer number (394440).

2^1840706 is an apocalyptic number.

1840706 is a deficient number, since it is larger than the sum of its proper divisors (1314814).

1840706 is a wasteful number, since it uses less digits than its factorization.

1840706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131488.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1840706 is about 1356.7262067197. The cubic root of 1840706 is about 122.5541839988.

The spelling of 1840706 in words is "one million, eight hundred forty thousand, seven hundred six".