1420216 has 24 divisors (see below), whose sum is σ = 3098520. Its totient is φ = 608496.

The previous prime is 1420207. The next prime is 1420253. The reversal of 1420216 is 6120241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1420 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (129105).

2^1420216 is an apocalyptic number.

It is an amenable number.

1420216 is an abundant number, since it is smaller than the sum of its proper divisors (1678304).

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

1420216 is a wasteful number, since it uses less digits than its factorization.

1420216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1420216 is about 1191.7281569217. The cubic root of 1420216 is about 112.4047852811.

Adding to 1420216 its reverse (6120241), we get a palindrome (7540457).

It can be divided in two parts, 14 and 20216, that multiplied together give a square (283024 = 532²).

The spelling of 1420216 in words is "one million, four hundred twenty thousand, two hundred sixteen".