3278489421 has 8 divisors (see below), whose sum is σ = 4373908000. Its totient is φ = 2184365232.

The previous prime is 3278489419. The next prime is 3278489443. The reversal of 3278489421 is 1249848723.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3278489421 - 2¹ = 3278489419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278489471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317671 + ... + 327828.

It is an arithmetic number, because the mean of its divisors is an integer number (546738500).

Almost surely, 2^3278489421 is an apocalyptic number.

It is an amenable number.

3278489421 is a deficient number, since it is larger than the sum of its proper divisors (1095418579).

3278489421 is a wasteful number, since it uses less digits than its factorization.

3278489421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647195.

The product of its digits is 774144, while the sum is 48.

The square root of 3278489421 is about 57258.0948076340. The cubic root of 3278489421 is about 1485.5636432406.

The spelling of 3278489421 in words is "three billion, two hundred seventy-eight million, four hundred eighty-nine thousand, four hundred twenty-one".