1428208076 has 6 divisors (see below), whose sum is σ = 2499364140. Its totient is φ = 714104036.

The previous prime is 1428208049. The next prime is 1428208079. The reversal of 1428208076 is 6708028241.

It is not an unprimeable number, because it can be changed into a prime (1428208079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178526006 + ... + 178526013.

It is an arithmetic number, because the mean of its divisors is an integer number (416560690).

Almost surely, 2^1428208076 is an apocalyptic number.

It is an amenable number.

1428208076 is a deficient number, since it is larger than the sum of its proper divisors (1071156064).

1428208076 is a wasteful number, since it uses less digits than its factorization.

1428208076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357052023 (or 357052021 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 1428208076 is about 37791.6402925303. The cubic root of 1428208076 is about 1126.1523864988.

The spelling of 1428208076 in words is "one billion, four hundred twenty-eight million, two hundred eight thousand, seventy-six".