1841906980 has 12 divisors (see below), whose sum is σ = 3868004700. Its totient is φ = 736762784.

The previous prime is 1841906959. The next prime is 1841906981. The reversal of 1841906980 is 896091481.

It can be written as a sum of positive squares in 2 ways, for example, as 515199204 + 1326707776 = 22698^2 + 36424^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1841906980.

It is not an unprimeable number, because it can be changed into a prime (1841906981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46047655 + ... + 46047694.

It is an arithmetic number, because the mean of its divisors is an integer number (322333725).

Almost surely, 2^1841906980 is an apocalyptic number.

1841906980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1841906980 is an abundant number, since it is smaller than the sum of its proper divisors (2026097720).

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

1841906980 is a wasteful number, since it uses less digits than its factorization.

1841906980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92095358 (or 92095356 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 1841906980 is about 42917.4437728996. The cubic root of 1841906980 is about 1225.8083194889.

The spelling of 1841906980 in words is "one billion, eight hundred forty-one million, nine hundred six thousand, nine hundred eighty".