3458321 has 4 divisors (see below), whose sum is σ = 3462144. Its totient is φ = 3454500.

The previous prime is 3458317. The next prime is 3458333. The reversal of 3458321 is 1238543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1238543 = 31 ⋅39953.

It is a cyclic number.

It is not a de Polignac number, because 3458321 - 2² = 3458317 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3458311) 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, 296 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (865536).

Almost surely, 2^3458321 is an apocalyptic number.

It is an amenable number.

3458321 is a deficient number, since it is larger than the sum of its proper divisors (3823).

3458321 is a wasteful number, since it uses less digits than its factorization.

3458321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822.

The product of its digits is 2880, while the sum is 26.

The square root of 3458321 is about 1859.6561510129. The cubic root of 3458321 is about 151.2243642092.

The spelling of 3458321 in words is "three million, four hundred fifty-eight thousand, three hundred twenty-one".