1420886808 has 48 divisors (see below), whose sum is σ = 4198077000. Its totient is φ = 430571520.

The previous prime is 1420886807. The next prime is 1420886821. The reversal of 1420886808 is 8086880241.

It is a happy number.

It is a super-2 number, since 2×1420886808² = 4037838642296857728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420886807) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 896233 + ... + 897816.

Almost surely, 2^1420886808 is an apocalyptic number.

1420886808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1420886808 is an abundant number, since it is smaller than the sum of its proper divisors (2777190192).

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

1420886808 is a wasteful number, since it uses less digits than its factorization.

1420886808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794072 (or 1794065 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The square root of 1420886808 is about 37694.6522467047. The cubic root of 1420886808 is about 1124.2247981037.

The spelling of 1420886808 in words is "one billion, four hundred twenty million, eight hundred eighty-six thousand, eight hundred eight".