1834020858 has 16 divisors (see below), whose sum is σ = 3677880096. Its totient is φ = 609700560.

The previous prime is 1834020857. The next prime is 1834020893. The reversal of 1834020858 is 8580204381.

It is not an unprimeable number, because it can be changed into a prime (1834020857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407508 + ... + 411983.

It is an arithmetic number, because the mean of its divisors is an integer number (229867506).

Almost surely, 2^1834020858 is an apocalyptic number.

1834020858 is an abundant number, since it is smaller than the sum of its proper divisors (1843859238).

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

1834020858 is a wasteful number, since it uses less digits than its factorization.

1834020858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819869.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 1834020858 is about 42825.4697347268. The cubic root of 1834020858 is about 1224.0563846361.

The spelling of 1834020858 in words is "one billion, eight hundred thirty-four million, twenty thousand, eight hundred fifty-eight".