3348521 has 4 divisors (see below), whose sum is σ = 3652944. Its totient is φ = 3044100.

The previous prime is 3348497. The next prime is 3348533. The reversal of 3348521 is 1258433.

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.

It is a cyclic number.

It is not a de Polignac number, because 3348521 - 2¹⁴ = 3332137 is a prime.

It is a super-2 number, since 2×3348521² = 22425185774882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3348551) 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, 152195 + ... + 152216.

It is an arithmetic number, because the mean of its divisors is an integer number (913236).

Almost surely, 2^3348521 is an apocalyptic number.

It is an amenable number.

3348521 is a deficient number, since it is larger than the sum of its proper divisors (304423).

3348521 is a wasteful number, since it uses less digits than its factorization.

3348521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304422.

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

The square root of 3348521 is about 1829.8964451575. The cubic root of 3348521 is about 149.6066881250.

The spelling of 3348521 in words is "three million, three hundred forty-eight thousand, five hundred twenty-one".