3280129 has 4 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 3233860.

The previous prime is 3280127. The next prime is 3280139. The reversal of 3280129 is 9210823.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9210823 = 599 ⋅15377.

It is a cyclic number.

It is not a de Polignac number, because 3280129 - 2¹ = 3280127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3280127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23029 + ... + 23170.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^3280129 is an apocalyptic number.

It is an amenable number.

3280129 is a deficient number, since it is larger than the sum of its proper divisors (46271).

3280129 is an equidigital number, since it uses as much as digits as its factorization.

3280129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46270.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3280129 is about 1811.1126414445. The cubic root of 3280129 is about 148.5811246402.

The spelling of 3280129 in words is "three million, two hundred eighty thousand, one hundred twenty-nine".