3391280 has 20 divisors (see below), whose sum is σ = 7884912. Its totient is φ = 1356480.

The previous prime is 3391237. The next prime is 3391301. The reversal of 3391280 is 821933.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21116 + ... + 21275.

Almost surely, 2^3391280 is an apocalyptic number.

It is an amenable number.

3391280 is an abundant number, since it is smaller than the sum of its proper divisors (4493632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3391280 is a wasteful number, since it uses less digits than its factorization.

3391280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42404 (or 42398 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3391280 is about 1841.5428314324. The cubic root of 3391280 is about 150.2407984191.

The spelling of 3391280 in words is "three million, three hundred ninety-one thousand, two hundred eighty".