1428579328 has 44 divisors (see below), whose sum is σ = 3115402992. Its totient is φ = 649349120.

The previous prime is 1428579323. The next prime is 1428579329. The reversal of 1428579328 is 8239758241.

It is a tau number, because it is divible by the number of its divisors (44).

It is not an unprimeable number, because it can be changed into a prime (1428579323) 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, 52150 + ... + 74677.

Almost surely, 2^1428579328 is an apocalyptic number.

It is an amenable number.

1428579328 is an abundant number, since it is smaller than the sum of its proper divisors (1686823664).

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

1428579328 is a wasteful number, since it uses less digits than its factorization.

1428579328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126858 (or 126840 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 1428579328 is about 37796.5518003958. The cubic root of 1428579328 is about 1126.2499563399.

The spelling of 1428579328 in words is "one billion, four hundred twenty-eight million, five hundred seventy-nine thousand, three hundred twenty-eight".