328458097 has 4 divisors (see below), whose sum is σ = 358317936. Its totient is φ = 298598260.

The previous prime is 328458083. The next prime is 328458103. The reversal of 328458097 is 790854823.

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 not a de Polignac number, because 328458097 - 2²⁷ = 194240369 is a prime.

It is a super-2 number, since 2×328458097² = 215769442969722818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328458017) 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, 14929903 + ... + 14929924.

It is an arithmetic number, because the mean of its divisors is an integer number (89579484).

Almost surely, 2^328458097 is an apocalyptic number.

It is an amenable number.

328458097 is a deficient number, since it is larger than the sum of its proper divisors (29859839).

328458097 is a wasteful number, since it uses less digits than its factorization.

328458097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29859838.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 328458097 is about 18123.4129512076. The cubic root of 328458097 is about 689.9643592877.

The spelling of 328458097 in words is "three hundred twenty-eight million, four hundred fifty-eight thousand, ninety-seven".