1842348420 has 108 divisors (see below), whose sum is σ = 6142756620. Its totient is φ = 446624640.

The previous prime is 1842348397. The next prime is 1842348421. The reversal of 1842348420 is 248432481.

It can be written as a sum of positive squares in 2 ways, for example, as 1141899264 + 700449156 = 33792^2 + 26466^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1842348421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20515 + ... + 64074.

Almost surely, 2^1842348420 is an apocalyptic number.

1842348420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1842348420 is an abundant number, since it is smaller than the sum of its proper divisors (4300408200).

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

1842348420 is a wasteful number, since it uses less digits than its factorization.

1842348420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84626 (or 84610 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 1842348420 is about 42922.5863619610. The cubic root of 1842348420 is about 1225.9062393091.

The spelling of 1842348420 in words is "one billion, eight hundred forty-two million, three hundred forty-eight thousand, four hundred twenty".