1904981036 has 72 divisors (see below), whose sum is σ = 4158665280. Its totient is φ = 758564352.

The previous prime is 1904981011. The next prime is 1904981081. The reversal of 1904981036 is 6301894091.

It is a junction number, because it is equal to n+sod(n) for n = 1904980984 and 1904981002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259610 + ... + 266846.

It is an arithmetic number, because the mean of its divisors is an integer number (57759240).

Almost surely, 2^1904981036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1904981036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2079332640).

1904981036 is an abundant number, since it is smaller than the sum of its proper divisors (2253684244).

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

1904981036 is a wasteful number, since it uses less digits than its factorization.

1904981036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351 (or 7342 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1904981036 is about 43646.0884387135. The cubic root of 1904981036 is about 1239.6437226527.

The spelling of 1904981036 in words is "one billion, nine hundred four million, nine hundred eighty-one thousand, thirty-six".