1420016 has 20 divisors (see below), whose sum is σ = 2963352. Its totient is φ = 655296.

The previous prime is 1420009. The next prime is 1420031. The reversal of 1420016 is 6100241.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206 + ... + 3621.

2^1420016 is an apocalyptic number.

1420016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1420016 is an abundant number, since it is smaller than the sum of its proper divisors (1543336).

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

1420016 is a wasteful number, since it uses less digits than its factorization.

1420016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1420016 is about 1191.6442422133. The cubic root of 1420016 is about 112.3995086160.

Adding to 1420016 its reverse (6100241), we get a palindrome (7520257).

The spelling of 1420016 in words is "one million, four hundred twenty thousand, sixteen".