3460421 has 2 divisors, whose sum is σ = 3460422. Its totient is φ = 3460420.

The previous prime is 3460417. The next prime is 3460427. The reversal of 3460421 is 1240643.

It is a happy number.

3460421 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., 2927521 + 532900 = 1711^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 3460421 - 2² = 3460417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3460393 and 3460402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3460427) 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, 1730210 + 1730211.

It is an arithmetic number, because the mean of its divisors is an integer number (1730211).

Almost surely, 2^3460421 is an apocalyptic number.

It is an amenable number.

3460421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3460421 is an equidigital number, since it uses as much as digits as its factorization.

3460421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3460421 is about 1860.2206858327. The cubic root of 3460421 is about 151.2549673937.

The spelling of 3460421 in words is "three million, four hundred sixty thousand, four hundred twenty-one".