1694982894 has 128 divisors (see below), whose sum is σ = 4069785600. Its totient is φ = 464849280.

The previous prime is 1694982893. The next prime is 1694982899. The reversal of 1694982894 is 4982894961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694982893) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4618299 + ... + 4618665.

It is an arithmetic number, because the mean of its divisors is an integer number (31795200).

Almost surely, 2^1694982894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1694982894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034892800).

1694982894 is an abundant number, since it is smaller than the sum of its proper divisors (2374802706).

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

1694982894 is a wasteful number, since it uses less digits than its factorization.

1694982894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its digits is 8957952, while the sum is 60.

The square root of 1694982894 is about 41170.1699534991. The cubic root of 1694982894 is about 1192.3079503847.

The spelling of 1694982894 in words is "one billion, six hundred ninety-four million, nine hundred eighty-two thousand, eight hundred ninety-four".