3421191 has 8 divisors (see below), whose sum is σ = 4708864. Its totient is φ = 2207160.

The previous prime is 3421169. The next prime is 3421193. The reversal of 3421191 is 1911243.

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

It is not a de Polignac number, because 3421191 - 2¹⁹ = 2896903 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 (3421193) 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, 18301 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (588608).

Almost surely, 2^3421191 is an apocalyptic number.

3421191 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3421191 is a deficient number, since it is larger than the sum of its proper divisors (1287673).

3421191 is a wasteful number, since it uses less digits than its factorization.

3421191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36821.

The product of its digits is 216, while the sum is 21.

The square root of 3421191 is about 1849.6461823819. The cubic root of 3421191 is about 150.6812127558.

The spelling of 3421191 in words is "three million, four hundred twenty-one thousand, one hundred ninety-one".