3420330 has 32 divisors (see below), whose sum is σ = 8567424. Its totient is φ = 872256.

The previous prime is 3420299. The next prime is 3420337. The reversal of 3420330 is 330243.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789 + ... + 3168.

It is an arithmetic number, because the mean of its divisors is an integer number (267732).

Almost surely, 2^3420330 is an apocalyptic number.

3420330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3420330 is an abundant number, since it is smaller than the sum of its proper divisors (5147094).

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

3420330 is a wasteful number, since it uses less digits than its factorization.

3420330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 3420330 is about 1849.4134205201. The cubic root of 3420330 is about 150.6685712118.

Adding to 3420330 its reverse (330243), we get a palindrome (3750573).

The spelling of 3420330 in words is "three million, four hundred twenty thousand, three hundred thirty".