1694734384 has 90 divisors (see below), whose sum is σ = 3928147020. Its totient is φ = 706237056.

The previous prime is 1694734367. The next prime is 1694734397. The reversal of 1694734384 is 4834374961.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1072507 + ... + 1074085.

It is an arithmetic number, because the mean of its divisors is an integer number (43646078).

Almost surely, 2^1694734384 is an apocalyptic number.

1694734384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1694734384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964073510).

1694734384 is an abundant number, since it is smaller than the sum of its proper divisors (2233412636).

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

1694734384 is a wasteful number, since it uses less digits than its factorization.

1694734384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1625 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 1694734384 is about 41167.1517596251. The cubic root of 1694734384 is about 1192.2496774406.

The spelling of 1694734384 in words is "one billion, six hundred ninety-four million, seven hundred thirty-four thousand, three hundred eighty-four".