1908081834 has 16 divisors (see below), whose sum is σ = 3832133760. Its totient is φ = 633365600.

The previous prime is 1908081827. The next prime is 1908081841. The reversal of 1908081834 is 4381808091.

It is an interprime number because it is at equal distance from previous prime (1908081827) and next prime (1908081841).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663867 + ... + 666734.

It is an arithmetic number, because the mean of its divisors is an integer number (239508360).

Almost surely, 2^1908081834 is an apocalyptic number.

1908081834 is an abundant number, since it is smaller than the sum of its proper divisors (1924051926).

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

1908081834 is a wasteful number, since it uses less digits than its factorization.

1908081834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330845.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1908081834 is about 43681.5960560051. The cubic root of 1908081834 is about 1240.3159605006.

The spelling of 1908081834 in words is "one billion, nine hundred eight million, eighty-one thousand, eight hundred thirty-four".