1900804828 has 24 divisors (see below), whose sum is σ = 3583904688. Its totient is φ = 876898176.

The previous prime is 1900804823. The next prime is 1900804831. The reversal of 1900804828 is 8284080091.

It is a super-3 number, since 3×1900804828³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900804823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129975 + ... + 143857.

It is an arithmetic number, because the mean of its divisors is an integer number (149329362).

Almost surely, 2^1900804828 is an apocalyptic number.

It is an amenable number.

1900804828 is a deficient number, since it is larger than the sum of its proper divisors (1683099860).

1900804828 is a wasteful number, since it uses less digits than its factorization.

1900804828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16533 (or 16531 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 1900804828 is about 43598.2204682714. The cubic root of 1900804828 is about 1238.7371873364.

The spelling of 1900804828 in words is "one billion, nine hundred million, eight hundred four thousand, eight hundred twenty-eight".