1329674346 has 256 divisors, whose sum is σ = 4203601920. Its totient is φ = 299842560.

The previous prime is 1329674287. The next prime is 1329674347. The reversal of 1329674346 is 6434769231.

1329674346 is a `hidden beast` number, since 13 + 296 + 7 + 4 + 346 = 666.

It is not an unprimeable number, because it can be changed into a prime (1329674347) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 918195 + ... + 919641.

It is an arithmetic number, because the mean of its divisors is an integer number (16420320).

Almost surely, 2^1329674346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329674346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2101800960).

1329674346 is an abundant number, since it is smaller than the sum of its proper divisors (2873927574).

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

1329674346 is a wasteful number, since it uses less digits than its factorization.

1329674346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1500 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 1329674346 is about 36464.6999987659. The cubic root of 1329674346 is about 1099.6346847511.

The spelling of 1329674346 in words is "one billion, three hundred twenty-nine million, six hundred seventy-four thousand, three hundred forty-six".