1805213848 has 16 divisors (see below), whose sum is σ = 3385482480. Its totient is φ = 902418528.

The previous prime is 1805213819. The next prime is 1805213881. The reversal of 1805213848 is 8483125081.

It is a self number, because there is not a number n which added to its sum of digits gives 1805213848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22461 + ... + 64147.

It is an arithmetic number, because the mean of its divisors is an integer number (211592655).

Almost surely, 2^1805213848 is an apocalyptic number.

It is an amenable number.

1805213848 is a deficient number, since it is larger than the sum of its proper divisors (1580268632).

1805213848 is a wasteful number, since it uses less digits than its factorization.

1805213848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47106 (or 47102 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 1805213848 is about 42487.8082277728. The cubic root of 1805213848 is about 1217.6137734626.

The spelling of 1805213848 in words is "one billion, eight hundred five million, two hundred thirteen thousand, eight hundred forty-eight".