1084020850 has 72 divisors (see below), whose sum is σ = 2228646420. Its totient is φ = 391987200.

The previous prime is 1084020811. The next prime is 1084020869. The reversal of 1084020850 is 580204801.

It can be written as a sum of positive squares in 6 ways, for example, as 188156089 + 895864761 = 13717^2 + 29931^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1409266 + ... + 1410034.

Almost surely, 2^1084020850 is an apocalyptic number.

1084020850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1084020850 is an abundant number, since it is smaller than the sum of its proper divisors (1144625570).

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

1084020850 is a wasteful number, since it uses less digits than its factorization.

1084020850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1084020850 is about 32924.4719016114. The cubic root of 1084020850 is about 1027.2572424139.

The spelling of 1084020850 in words is "one billion, eighty-four million, twenty thousand, eight hundred fifty".