1912341858 has 32 divisors (see below), whose sum is σ = 4378803840. Its totient is φ = 545416320.

The previous prime is 1912341839. The next prime is 1912341863. The reversal of 1912341858 is 8581432191.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16113 + ... + 63908.

It is an arithmetic number, because the mean of its divisors is an integer number (136837620).

Almost surely, 2^1912341858 is an apocalyptic number.

1912341858 is an abundant number, since it is smaller than the sum of its proper divisors (2466461982).

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

1912341858 is a wasteful number, since it uses less digits than its factorization.

1912341858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80602.

The product of its digits is 69120, while the sum is 42.

The square root of 1912341858 is about 43730.3310986780. The cubic root of 1912341858 is about 1241.2383263223.

The spelling of 1912341858 in words is "one billion, nine hundred twelve million, three hundred forty-one thousand, eight hundred fifty-eight".