1806445046 has 8 divisors (see below), whose sum is σ = 3096762960. Its totient is φ = 774190728.

The previous prime is 1806445037. The next prime is 1806445049. The reversal of 1806445046 is 6405446081.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806445049) 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, 64515881 + ... + 64515908.

It is an arithmetic number, because the mean of its divisors is an integer number (387095370).

Almost surely, 2^1806445046 is an apocalyptic number.

1806445046 is a deficient number, since it is larger than the sum of its proper divisors (1290317914).

1806445046 is a wasteful number, since it uses less digits than its factorization.

1806445046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129031798.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 1806445046 is about 42502.2945968803. The cubic root of 1806445046 is about 1217.8905242311.

The spelling of 1806445046 in words is "one billion, eight hundred six million, four hundred forty-five thousand, forty-six".