3408891 has 8 divisors (see below), whose sum is σ = 4812624. Its totient is φ = 2138880.

The previous prime is 3408887. The next prime is 3408917. The reversal of 3408891 is 1988043.

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

It is not a de Polignac number, because 3408891 - 2² = 3408887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3408191) 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, 33370 + ... + 33471.

It is an arithmetic number, because the mean of its divisors is an integer number (601578).

Almost surely, 2^3408891 is an apocalyptic number.

3408891 is a deficient number, since it is larger than the sum of its proper divisors (1403733).

3408891 is a wasteful number, since it uses less digits than its factorization.

3408891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66861.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 3408891 is about 1846.3182282586. The cubic root of 3408891 is about 150.5004175807.

The spelling of 3408891 in words is "three million, four hundred eight thousand, eight hundred ninety-one".