3408491 has 4 divisors (see below), whose sum is σ = 3459432. Its totient is φ = 3357552.

The previous prime is 3408479. The next prime is 3408511. The reversal of 3408491 is 1948043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3408491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3408421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25370 + ... + 25503.

It is an arithmetic number, because the mean of its divisors is an integer number (864858).

Almost surely, 2^3408491 is an apocalyptic number.

3408491 is a deficient number, since it is larger than the sum of its proper divisors (50941).

3408491 is an equidigital number, since it uses as much as digits as its factorization.

3408491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50940.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3408491 is about 1846.2099013926. The cubic root of 3408491 is about 150.4945307667.

The spelling of 3408491 in words is "three million, four hundred eight thousand, four hundred ninety-one".