1808346244 has 24 divisors (see below), whose sum is σ = 3235276800. Its totient is φ = 884021376.

The previous prime is 1808346217. The next prime is 1808346257. The reversal of 1808346244 is 4426438081.

It is a happy number.

It is a super-2 number, since 2×1808346244² = 6540232276377815072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1808346197 and 1808346206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199932 + ... + 208780.

It is an arithmetic number, because the mean of its divisors is an integer number (134803200).

Almost surely, 2^1808346244 is an apocalyptic number.

It is an amenable number.

1808346244 is a deficient number, since it is larger than the sum of its proper divisors (1426930556).

1808346244 is a wasteful number, since it uses less digits than its factorization.

1808346244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9987 (or 9985 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 1808346244 is about 42524.6545429825. The cubic root of 1808346244 is about 1218.3176318271.

The spelling of 1808346244 in words is "one billion, eight hundred eight million, three hundred forty-six thousand, two hundred forty-four".