1428175892 has 48 divisors (see below), whose sum is σ = 3063940992. Its totient is φ = 573175680.

The previous prime is 1428175883. The next prime is 1428175897. The reversal of 1428175892 is 2985718241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428175897) 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 15 ways as a sum of consecutive naturals, for example, 41123 + ... + 67434.

It is an arithmetic number, because the mean of its divisors is an integer number (63832104).

Almost surely, 2^1428175892 is an apocalyptic number.

It is an amenable number.

1428175892 is an abundant number, since it is smaller than the sum of its proper divisors (1635765100).

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

1428175892 is a wasteful number, since it uses less digits than its factorization.

1428175892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108608 (or 108606 counting only the distinct ones).

The product of its digits is 322560, while the sum is 47.

The square root of 1428175892 is about 37791.2144816755. The cubic root of 1428175892 is about 1126.1439273298.

The spelling of 1428175892 in words is "one billion, four hundred twenty-eight million, one hundred seventy-five thousand, eight hundred ninety-two".