1798484920 has 16 divisors (see below), whose sum is σ = 4046591160. Its totient is φ = 719393952.

The previous prime is 1798484917. The next prime is 1798484923. The reversal of 1798484920 is 294848971.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1798484917) and next prime (1798484923).

It is a super-3 number, since 3×1798484920³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798484923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22481022 + ... + 22481101.

Almost surely, 2^1798484920 is an apocalyptic number.

1798484920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1798484920 is an abundant number, since it is smaller than the sum of its proper divisors (2248106240).

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

1798484920 is a wasteful number, since it uses less digits than its factorization.

1798484920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44962134 (or 44962130 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 1798484920 is about 42408.5477233069. The cubic root of 1798484920 is about 1216.0990061787.

The spelling of 1798484920 in words is "one billion, seven hundred ninety-eight million, four hundred eighty-four thousand, nine hundred twenty".