3287421 has 24 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 2088000.

The previous prime is 3287359. The next prime is 3287429. The reversal of 3287421 is 1247823.

It is not a de Polignac number, because 3287421 - 2⁷ = 3287293 is a prime.

It is a d-powerful number, because it can be written as 3³ + 2¹³ + 8⁷ + 7⁴ + 4¹⁰ + 2¹⁷ + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21696 + ... + 21846.

It is an arithmetic number, because the mean of its divisors is an integer number (207480).

Almost surely, 2^3287421 is an apocalyptic number.

It is an amenable number.

3287421 is a deficient number, since it is larger than the sum of its proper divisors (1692099).

3287421 is a wasteful number, since it uses less digits than its factorization.

3287421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 254 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 3287421 is about 1813.1246509824. The cubic root of 3287421 is about 148.6911458905.

The spelling of 3287421 in words is "three million, two hundred eighty-seven thousand, four hundred twenty-one".