3420786 has 8 divisors (see below), whose sum is σ = 6841584. Its totient is φ = 1140260.

The previous prime is 3420773. The next prime is 3420787. The reversal of 3420786 is 6870243.

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

3420786 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3420787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285060 + ... + 285071.

It is an arithmetic number, because the mean of its divisors is an integer number (855198).

Almost surely, 2^3420786 is an apocalyptic number.

3420786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3420786 is a wasteful number, since it uses less digits than its factorization.

3420786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570136.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3420786 is about 1849.5366987438. The cubic root of 3420786 is about 150.6752666491.

The spelling of 3420786 in words is "three million, four hundred twenty thousand, seven hundred eighty-six".