1694380968 has 96 divisors (see below), whose sum is σ = 5271988800. Its totient is φ = 481572864.

The previous prime is 1694380967. The next prime is 1694381011. The reversal of 1694380968 is 8690834961.

It is a super-3 number, since 3×1694380968³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1694380967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88563 + ... + 105981.

It is an arithmetic number, because the mean of its divisors is an integer number (54916550).

Almost surely, 2^1694380968 is an apocalyptic number.

1694380968 is a gapful number since it is divisible by the number (18) 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 1694380968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635994400).

1694380968 is an abundant number, since it is smaller than the sum of its proper divisors (3577607832).

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

1694380968 is a wasteful number, since it uses less digits than its factorization.

1694380968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17631 (or 17624 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 1694380968 is about 41162.8590843736. The cubic root of 1694380968 is about 1192.1667953463.

The spelling of 1694380968 in words is "one billion, six hundred ninety-four million, three hundred eighty thousand, nine hundred sixty-eight".