1834839885 has 16 divisors (see below), whose sum is σ = 3004017984. Its totient is φ = 955823232.

The previous prime is 1834839883. The next prime is 1834839901. The reversal of 1834839885 is 5889384381.

It is a happy number.

It is not a de Polignac number, because 1834839885 - 2¹ = 1834839883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834839883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421712 + ... + 1423001.

It is an arithmetic number, because the mean of its divisors is an integer number (187751124).

Almost surely, 2^1834839885 is an apocalyptic number.

1834839885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1834839885 is a deficient number, since it is larger than the sum of its proper divisors (1169178099).

1834839885 is a wasteful number, since it uses less digits than its factorization.

1834839885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844764.

The product of its digits is 6635520, while the sum is 57.

The square root of 1834839885 is about 42835.0310493643. The cubic root of 1834839885 is about 1224.2385683202.

The spelling of 1834839885 in words is "one billion, eight hundred thirty-four million, eight hundred thirty-nine thousand, eight hundred eighty-five".