1428084207 has 24 divisors (see below), whose sum is σ = 2327916240. Its totient is φ = 835658880.

The previous prime is 1428084199. The next prime is 1428084209. The reversal of 1428084207 is 7024808241.

It is not a de Polignac number, because 1428084207 - 2³ = 1428084199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428084209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245838 + ... + 251579.

It is an arithmetic number, because the mean of its divisors is an integer number (96996510).

Almost surely, 2^1428084207 is an apocalyptic number.

1428084207 is a deficient number, since it is larger than the sum of its proper divisors (899832033).

1428084207 is a wasteful number, since it uses less digits than its factorization.

1428084207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497463 (or 497460 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 1428084207 is about 37790.0014157184. The cubic root of 1428084207 is about 1126.1198283571.

The spelling of 1428084207 in words is "one billion, four hundred twenty-eight million, eighty-four thousand, two hundred seven".