1806634 has 8 divisors (see below), whose sum is σ = 2852640. Its totient is φ = 855756.

The previous prime is 1806631. The next prime is 1806643. The reversal of 1806634 is 4366081.

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

It is not an unprimeable number, because it can be changed into a prime (1806631) 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, 23734 + ... + 23809.

It is an arithmetic number, because the mean of its divisors is an integer number (356580).

2^1806634 is an apocalyptic number.

1806634 is a deficient number, since it is larger than the sum of its proper divisors (1046006).

1806634 is a wasteful number, since it uses less digits than its factorization.

1806634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47564.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1806634 is about 1344.1108585232. The cubic root of 1806634 is about 121.7932986499.

The spelling of 1806634 in words is "one million, eight hundred six thousand, six hundred thirty-four".