3477221 has 8 divisors (see below), whose sum is σ = 3810144. Its totient is φ = 3147120.

The previous prime is 3477217. The next prime is 3477259. The reversal of 3477221 is 1227743.

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 3477221 - 2² = 3477217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3477121) 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, 2555 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (476268).

Almost surely, 2^3477221 is an apocalyptic number.

It is an amenable number.

3477221 is a deficient number, since it is larger than the sum of its proper divisors (332923).

3477221 is a wasteful number, since it uses less digits than its factorization.

3477221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411.

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

The square root of 3477221 is about 1864.7308116723. The cubic root of 3477221 is about 151.4993482819.

The spelling of 3477221 in words is "three million, four hundred seventy-seven thousand, two hundred twenty-one".