3420516 has 24 divisors (see below), whose sum is σ = 8707104. Its totient is φ = 1036480.

The previous prime is 3420499. The next prime is 3420517. The reversal of 3420516 is 6150243.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3420492 and 3420501.

It is not an unprimeable number, because it can be changed into a prime (3420517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12825 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (362796).

Almost surely, 2^3420516 is an apocalyptic number.

It is an amenable number.

3420516 is an abundant number, since it is smaller than the sum of its proper divisors (5286588).

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

3420516 is a wasteful number, since it uses less digits than its factorization.

3420516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25931 (or 25929 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3420516 is about 1849.4637060510. The cubic root of 3420516 is about 150.6713023173.

Adding to 3420516 its reverse (6150243), we get a palindrome (9570759).

The spelling of 3420516 in words is "three million, four hundred twenty thousand, five hundred sixteen".