329493697 has 4 divisors (see below), whose sum is σ = 354839380. Its totient is φ = 304148016.

The previous prime is 329493629. The next prime is 329493707. The reversal of 329493697 is 796394923.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25897921 + 303595776 = 5089^2 + 17424^2 .

It is a cyclic number.

It is not a de Polignac number, because 329493697 - 2¹⁹ = 328969409 is a prime.

It is a super-3 number, since 3×329493697³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329493617) 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, 12672822 + ... + 12672847.

It is an arithmetic number, because the mean of its divisors is an integer number (88709845).

Almost surely, 2^329493697 is an apocalyptic number.

It is an amenable number.

329493697 is a deficient number, since it is larger than the sum of its proper divisors (25345683).

329493697 is a wasteful number, since it uses less digits than its factorization.

329493697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25345682.

The product of its digits is 2204496, while the sum is 52.

The square root of 329493697 is about 18151.9612438987. The cubic root of 329493697 is about 690.6887311961.

The spelling of 329493697 in words is "three hundred twenty-nine million, four hundred ninety-three thousand, six hundred ninety-seven".