3450321 has 12 divisors (see below), whose sum is σ = 5695872. Its totient is φ = 1971576.

The previous prime is 3450319. The next prime is 3450329. The reversal of 3450321 is 1230543.

3450321 is a `hidden beast` number, since 345 + 0 + 321 = 666.

3450321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3450321 - 2¹ = 3450319 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3450294 and 3450303.

It is not an unprimeable number, because it can be changed into a prime (3450329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27321 + ... + 27446.

It is an arithmetic number, because the mean of its divisors is an integer number (474656).

Almost surely, 2^3450321 is an apocalyptic number.

It is an amenable number.

3450321 is a deficient number, since it is larger than the sum of its proper divisors (2245551).

3450321 is a wasteful number, since it uses less digits than its factorization.

3450321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54780 (or 54777 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3450321 is about 1857.5039703861. The cubic root of 3450321 is about 151.1076670247.

Adding to 3450321 its reverse (1230543), we get a palindrome (4680864).

The spelling of 3450321 in words is "three million, four hundred fifty thousand, three hundred twenty-one".