3421727 has 4 divisors (see below), whose sum is σ = 3465120. Its totient is φ = 3378336.

The previous prime is 3421711. The next prime is 3421751. The reversal of 3421727 is 7271243.

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

It is a cyclic number.

It is not a de Polignac number, because 3421727 - 2⁴ = 3421711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3421696 and 3421705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421927) 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, 21578 + ... + 21735.

It is an arithmetic number, because the mean of its divisors is an integer number (866280).

Almost surely, 2^3421727 is an apocalyptic number.

3421727 is a deficient number, since it is larger than the sum of its proper divisors (43393).

3421727 is an equidigital number, since it uses as much as digits as its factorization.

3421727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43392.

The product of its digits is 2352, while the sum is 26.

The square root of 3421727 is about 1849.7910692832. The cubic root of 3421727 is about 150.6890814495.

The spelling of 3421727 in words is "three million, four hundred twenty-one thousand, seven hundred twenty-seven".