1420434216 has 24 divisors (see below), whose sum is σ = 3847009530. Its totient is φ = 473478048.

The previous prime is 1420434203. The next prime is 1420434241. The reversal of 1420434216 is 6124340241.

It is a happy number.

1420434216 is a `hidden beast` number, since 14 + 2 + 0 + 434 + 216 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1335610116 + 84824100 = 36546^2 + 9210^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1420434216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9864055 + ... + 9864198.

Almost surely, 2^1420434216 is an apocalyptic number.

It is an amenable number.

1420434216 is an abundant number, since it is smaller than the sum of its proper divisors (2426575314).

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

1420434216 is a wasteful number, since it uses less digits than its factorization.

1420434216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19728265 (or 19728258 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1420434216 is about 37688.6483705638. The cubic root of 1420434216 is about 1124.1054197971.

Adding to 1420434216 its reverse (6124340241), we get a palindrome (7544774457).

The spelling of 1420434216 in words is "one billion, four hundred twenty million, four hundred thirty-four thousand, two hundred sixteen".