1798029648 has 60 divisors (see below), whose sum is σ = 5068771188. Its totient is φ = 594961920.

The previous prime is 1798029647. The next prime is 1798029713. The reversal of 1798029648 is 8469208971.

It can be written as a sum of positive squares in 2 ways, for example, as 579461184 + 1218568464 = 24072^2 + 34908^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1798029594 and 1798029603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798029647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25843 + ... + 65298.

Almost surely, 2^1798029648 is an apocalyptic number.

1798029648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1798029648 is an abundant number, since it is smaller than the sum of its proper divisors (3270741540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1798029648 is a wasteful number, since it uses less digits than its factorization.

1798029648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91292 (or 91283 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 1798029648 is about 42403.1796920938. The cubic root of 1798029648 is about 1215.9963822896.

The spelling of 1798029648 in words is "one billion, seven hundred ninety-eight million, twenty-nine thousand, six hundred forty-eight".