3465421 has 2 divisors, whose sum is σ = 3465422. Its totient is φ = 3465420.

The previous prime is 3465389. The next prime is 3465463. The reversal of 3465421 is 1245643.

3465421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3189796 + 275625 = 1786^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 3465421 - 2⁵ = 3465389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3465481) 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 as a sum of consecutive naturals, namely, 1732710 + 1732711.

It is an arithmetic number, because the mean of its divisors is an integer number (1732711).

Almost surely, 2^3465421 is an apocalyptic number.

It is an amenable number.

3465421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3465421 is an equidigital number, since it uses as much as digits as its factorization.

3465421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 3465421 is about 1861.5641272865. The cubic root of 3465421 is about 151.3277823180.

The spelling of 3465421 in words is "three million, four hundred sixty-five thousand, four hundred twenty-one".