3420457 has 2 divisors, whose sum is σ = 3420458. Its totient is φ = 3420456.

The previous prime is 3420433. The next prime is 3420481. The reversal of 3420457 is 7540243.

It is a balanced prime because it is at equal distance from previous prime (3420433) and next prime (3420481).

It can be written as a sum of positive squares in only one way, i.e., 3031081 + 389376 = 1741^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420457 - 2¹⁵ = 3387689 is a prime.

It is not a weakly prime, because it can be changed into another prime (3420427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710228 + 1710229.

It is an arithmetic number, because the mean of its divisors is an integer number (1710229).

Almost surely, 2^3420457 is an apocalyptic number.

It is an amenable number.

3420457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420457 is an equidigital number, since it uses as much as digits as its factorization.

3420457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 3420457 is about 1849.4477554124. The cubic root of 3420457 is about 150.6704360096.

The spelling of 3420457 in words is "three million, four hundred twenty thousand, four hundred fifty-seven".