329749 has 12 divisors (see below), whose sum is σ = 402784. Its totient is φ = 264384.

The previous prime is 329729. The next prime is 329761. The reversal of 329749 is 947923.

It is not a de Polignac number, because 329749 - 2⁵ = 329717 is a prime.

It is a Duffinian number.

329749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1942 + ... + 2104.

2³²⁹⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

329749 is a deficient number, since it is larger than the sum of its proper divisors (73035).

329749 is a wasteful number, since it uses less digits than its factorization.

329749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 187 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 329749 is about 574.2377556379. The cubic root of 329749 is about 69.0867074902.

The spelling of 329749 in words is "three hundred twenty-nine thousand, seven hundred forty-nine".