329124397 has 4 divisors (see below), whose sum is σ = 376142176. Its totient is φ = 282106620.

The previous prime is 329124391. The next prime is 329124413. The reversal of 329124397 is 793421923.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329124397 is a prime.

It is a super-2 number, since 2×329124397² = 216645737401227218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329124391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23508879 + ... + 23508892.

It is an arithmetic number, because the mean of its divisors is an integer number (94035544).

Almost surely, 2^329124397 is an apocalyptic number.

It is an amenable number.

329124397 is a deficient number, since it is larger than the sum of its proper divisors (47017779).

329124397 is an equidigital number, since it uses as much as digits as its factorization.

329124397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47017778.

The product of its digits is 81648, while the sum is 40.

The square root of 329124397 is about 18141.7859374429. The cubic root of 329124397 is about 690.4305909993.

The spelling of 329124397 in words is "three hundred twenty-nine million, one hundred twenty-four thousand, three hundred ninety-seven".