329739894 has 48 divisors (see below), whose sum is σ = 781516944. Its totient is φ = 99648000.

The previous prime is 329739887. The next prime is 329739899. The reversal of 329739894 is 498937923.

It is a self number, because there is not a number n which added to its sum of digits gives 329739894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329739899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77322 + ... + 81474.

It is an arithmetic number, because the mean of its divisors is an integer number (16281603).

Almost surely, 2^329739894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 329739894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390758472).

329739894 is an abundant number, since it is smaller than the sum of its proper divisors (451777050).

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

329739894 is a wasteful number, since it uses less digits than its factorization.

329739894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573 (or 4570 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 329739894 is about 18158.7415312846. The cubic root of 329739894 is about 690.8607154254.

The spelling of 329739894 in words is "three hundred twenty-nine million, seven hundred thirty-nine thousand, eight hundred ninety-four".