1684379329 has 8 divisors (see below), whose sum is σ = 1785120768. Its totient is φ = 1583822400.

The previous prime is 1684379311. The next prime is 1684379357. The reversal of 1684379329 is 9239734861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1684379329 - 2²⁷ = 1550161601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1684379399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27097 + ... + 64054.

It is an arithmetic number, because the mean of its divisors is an integer number (223140096).

Almost surely, 2^1684379329 is an apocalyptic number.

It is an amenable number.

1684379329 is a deficient number, since it is larger than the sum of its proper divisors (100741439).

1684379329 is a wasteful number, since it uses less digits than its factorization.

1684379329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92255.

The product of its digits is 1959552, while the sum is 52.

The square root of 1684379329 is about 41041.1906381869. The cubic root of 1684379329 is about 1189.8164462787.

The spelling of 1684379329 in words is "one billion, six hundred eighty-four million, three hundred seventy-nine thousand, three hundred twenty-nine".