1420806808 has 16 divisors (see below), whose sum is σ = 2736013680. Its totient is φ = 691203168.

The previous prime is 1420806799. The next prime is 1420806809. The reversal of 1420806808 is 8086080241.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420806809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2399716 + ... + 2400307.

It is an arithmetic number, because the mean of its divisors is an integer number (171000855).

Almost surely, 2^1420806808 is an apocalyptic number.

It is an amenable number.

1420806808 is a deficient number, since it is larger than the sum of its proper divisors (1315206872).

1420806808 is a wasteful number, since it uses less digits than its factorization.

1420806808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800066 (or 4800062 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 1420806808 is about 37693.5910732846. The cubic root of 1420806808 is about 1124.2036986816.

The spelling of 1420806808 in words is "one billion, four hundred twenty million, eight hundred six thousand, eight hundred eight".