1808482738 has 16 divisors (see below), whose sum is σ = 2902314240. Its totient is φ = 842605200.

The previous prime is 1808482723. The next prime is 1808482769. The reversal of 1808482738 is 8372848081.

It is a junction number, because it is equal to n+sod(n) for n = 1808482691 and 1808482700.

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, 387778 + ... + 392413.

It is an arithmetic number, because the mean of its divisors is an integer number (181394640).

Almost surely, 2^1808482738 is an apocalyptic number.

1808482738 is a deficient number, since it is larger than the sum of its proper divisors (1093831502).

1808482738 is a wasteful number, since it uses less digits than its factorization.

1808482738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780273.

The product of its (nonzero) digits is 688128, while the sum is 49.

The square root of 1808482738 is about 42526.2593934618. The cubic root of 1808482738 is about 1218.3482839332.

The spelling of 1808482738 in words is "one billion, eight hundred eight million, four hundred eighty-two thousand, seven hundred thirty-eight".