3284391 has 8 divisors (see below), whose sum is σ = 4777344. Its totient is φ = 1990520.

The previous prime is 3284371. The next prime is 3284441. The reversal of 3284391 is 1934823.

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 3284391 - 2⁷ = 3284263 is a prime.

3284391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3284311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49731 + ... + 49796.

It is an arithmetic number, because the mean of its divisors is an integer number (597168).

Almost surely, 2^3284391 is an apocalyptic number.

3284391 is a deficient number, since it is larger than the sum of its proper divisors (1492953).

3284391 is a wasteful number, since it uses less digits than its factorization.

3284391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99541.

The product of its digits is 5184, while the sum is 30.

The square root of 3284391 is about 1812.2888842566. The cubic root of 3284391 is about 148.6454492121.

The spelling of 3284391 in words is "three million, two hundred eighty-four thousand, three hundred ninety-one".