3278401 has 8 divisors (see below), whose sum is σ = 3838464. Its totient is φ = 2741280.

The previous prime is 3278389. The next prime is 3278413. The reversal of 3278401 is 1048723.

It is an interprime number because it is at equal distance from previous prime (3278389) and next prime (3278413).

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

It is a cyclic number.

It is not a de Polignac number, because 3278401 - 2⁵ = 3278369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3278461) 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 7 ways as a sum of consecutive naturals, for example, 5425 + ... + 5998.

It is an arithmetic number, because the mean of its divisors is an integer number (479808).

Almost surely, 2^3278401 is an apocalyptic number.

It is an amenable number.

3278401 is a deficient number, since it is larger than the sum of its proper divisors (560063).

3278401 is a wasteful number, since it uses less digits than its factorization.

3278401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3278401 is about 1810.6355237872. The cubic root of 3278401 is about 148.5550287882. Note that the first 3 decimals are identical.

The spelling of 3278401 in words is "three million, two hundred seventy-eight thousand, four hundred one".