1894114520 has 16 divisors (see below), whose sum is σ = 4261757760. Its totient is φ = 757645792.

The previous prime is 1894114513. The next prime is 1894114549. The reversal of 1894114520 is 254114981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23676392 + ... + 23676471.

It is an arithmetic number, because the mean of its divisors is an integer number (266359860).

Almost surely, 2^1894114520 is an apocalyptic number.

1894114520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1894114520 is an abundant number, since it is smaller than the sum of its proper divisors (2367643240).

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

1894114520 is a wasteful number, since it uses less digits than its factorization.

1894114520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47352874 (or 47352870 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1894114520 is about 43521.4259876673. The cubic root of 1894114520 is about 1237.2821412903.

The spelling of 1894114520 in words is "one billion, eight hundred ninety-four million, one hundred fourteen thousand, five hundred twenty".