1420008385 has 64 divisors (see below), whose sum is σ = 1969132032. Its totient is φ = 976859136.

The previous prime is 1420008371. The next prime is 1420008397. The reversal of 1420008385 is 5838000241.

It is a cyclic number.

It is not a de Polignac number, because 1420008385 - 2¹⁷ = 1419877313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4846299 + ... + 4846591.

It is an arithmetic number, because the mean of its divisors is an integer number (30767688).

Almost surely, 2^1420008385 is an apocalyptic number.

It is an amenable number.

1420008385 is a deficient number, since it is larger than the sum of its proper divisors (549123647).

1420008385 is a wasteful number, since it uses less digits than its factorization.

1420008385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1420008385 is about 37682.9986200674. The cubic root of 1420008385 is about 1123.9930769722.

The spelling of 1420008385 in words is "one billion, four hundred twenty million, eight thousand, three hundred eighty-five".