1896218814 has 16 divisors (see below), whose sum is σ = 4334214528. Its totient is φ = 541776792.

The previous prime is 1896218771. The next prime is 1896218837. The reversal of 1896218814 is 4188126981.

It is a congruent number.

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, 22573992 + ... + 22574075.

It is an arithmetic number, because the mean of its divisors is an integer number (270888408).

Almost surely, 2^1896218814 is an apocalyptic number.

1896218814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1896218814 is an abundant number, since it is smaller than the sum of its proper divisors (2437995714).

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

1896218814 is a wasteful number, since it uses less digits than its factorization.

1896218814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45148079.

The product of its digits is 221184, while the sum is 48.

The square root of 1896218814 is about 43545.5946566355. The cubic root of 1896218814 is about 1237.7401638971.

The spelling of 1896218814 in words is "one billion, eight hundred ninety-six million, two hundred eighteen thousand, eight hundred fourteen".