1694385000 has 640 divisors, whose sum is σ = 7377638400. Its totient is φ = 349920000.

The previous prime is 1694384987. The next prime is 1694385023. The reversal of 1694385000 is 5834961.

1694385000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10394919 + ... + 10395081.

It is an arithmetic number, because the mean of its divisors is an integer number (11527560).

Almost surely, 2^1694385000 is an apocalyptic number.

1694385000 is a gapful number since it is divisible by the number (10) 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 1694385000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3688819200).

1694385000 is an abundant number, since it is smaller than the sum of its proper divisors (5683253400).

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

1694385000 is a wasteful number, since it uses less digits than its factorization.

1694385000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1694385000 is about 41162.9080605343. The cubic root of 1694385000 is about 1192.1677409842.

The spelling of 1694385000 in words is "one billion, six hundred ninety-four million, three hundred eighty-five thousand".