3420471 has 4 divisors (see below), whose sum is σ = 4560632. Its totient is φ = 2280312.

The previous prime is 3420457. The next prime is 3420481. The reversal of 3420471 is 1740243.

3420471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1740243 = 3 ⋅580081.

It is not a de Polignac number, because 3420471 - 2⁹ = 3419959 is a prime.

It is a super-3 number, since 3×3420471³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420401) 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 in 3 ways as a sum of consecutive naturals, for example, 570076 + ... + 570081.

It is an arithmetic number, because the mean of its divisors is an integer number (1140158).

Almost surely, 2^3420471 is an apocalyptic number.

3420471 is a deficient number, since it is larger than the sum of its proper divisors (1140161).

3420471 is a wasteful number, since it uses less digits than its factorization.

3420471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140160.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 3420471 is about 1849.4515403222. The cubic root of 3420471 is about 150.6706415751.

The spelling of 3420471 in words is "three million, four hundred twenty thousand, four hundred seventy-one".