1985194314 has 12 divisors (see below), whose sum is σ = 4301254386. Its totient is φ = 661731432.

The previous prime is 1985194313. The next prime is 1985194327. The reversal of 1985194314 is 4134915891.

1985194314 is a `hidden beast` number, since 1 + 98 + 519 + 43 + 1 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1310078025 + 675116289 = 36195^2 + 25983^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1985194314.

It is not an unprimeable number, because it can be changed into a prime (1985194313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55144269 + ... + 55144304.

Almost surely, 2^1985194314 is an apocalyptic number.

1985194314 is an abundant number, since it is smaller than the sum of its proper divisors (2316060072).

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

1985194314 is a wasteful number, since it uses less digits than its factorization.

1985194314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110288581 (or 110288578 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 1985194314 is about 44555.5194560674. The cubic root of 1985194314 is about 1256.8043471338.

The spelling of 1985194314 in words is "one billion, nine hundred eighty-five million, one hundred ninety-four thousand, three hundred fourteen".