3420252 has 48 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 1036080.

The previous prime is 3420251. The next prime is 3420253. The reversal of 3420252 is 2520243.

It is an interprime number because it is at equal distance from previous prime (3420251) and next prime (3420253).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420251) 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, 252 + ... + 2627.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

Almost surely, 2^3420252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4838400).

3420252 is an abundant number, since it is smaller than the sum of its proper divisors (6256548).

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

3420252 is a wasteful number, since it uses less digits than its factorization.

3420252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2895 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3420252 is about 1849.3923326325. The cubic root of 3420252 is about 150.6674258800.

Adding to 3420252 its reverse (2520243), we get a palindrome (5940495).

Subtracting from 3420252 its reverse (2520243), we obtain a palindrome (900009).

The spelling of 3420252 in words is "three million, four hundred twenty thousand, two hundred fifty-two".