3420470 has 8 divisors (see below), whose sum is σ = 6156864. Its totient is φ = 1368184.

The previous prime is 3420457. The next prime is 3420481. The reversal of 3420470 is 740243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171014 + ... + 171033.

It is an arithmetic number, because the mean of its divisors is an integer number (769608).

Almost surely, 2^3420470 is an apocalyptic number.

3420470 is a deficient number, since it is larger than the sum of its proper divisors (2736394).

3420470 is a wasteful number, since it uses less digits than its factorization.

3420470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342054.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3420470 is about 1849.4512699717. The cubic root of 3420470 is about 150.6706268918.

The spelling of 3420470 in words is "three million, four hundred twenty thousand, four hundred seventy".