3420235 has 16 divisors (see below), whose sum is σ = 5052096. Its totient is φ = 2164608.

The previous prime is 3420227. The next prime is 3420239. The reversal of 3420235 is 5320243.

3420235 = 696² + 697² + ... + 702².

It is a cyclic number.

It is not a de Polignac number, because 3420235 - 2³ = 3420227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3420239) 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, 3304 + ... + 4213.

It is an arithmetic number, because the mean of its divisors is an integer number (315756).

Almost surely, 2^3420235 is an apocalyptic number.

3420235 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3420235 is a deficient number, since it is larger than the sum of its proper divisors (1631861).

3420235 is a wasteful number, since it uses less digits than its factorization.

3420235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3420235 is about 1849.3877365225. The cubic root of 3420235 is about 150.6671762541.

Adding to 3420235 its reverse (5320243), we get a palindrome (8740478).

It can be divided in two parts, 3420 and 235, that added together give a triangular number (3655 = T₈₅).

The spelling of 3420235 in words is "three million, four hundred twenty thousand, two hundred thirty-five".