1028654412 has 48 divisors (see below), whose sum is σ = 2471448672. Its totient is φ = 332792320.

The previous prime is 1028654401. The next prime is 1028654443. The reversal of 1028654412 is 2144568201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91618 + ... + 102230.

It is an arithmetic number, because the mean of its divisors is an integer number (51488514).

Almost surely, 2^1028654412 is an apocalyptic number.

1028654412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1028654412 is an abundant number, since it is smaller than the sum of its proper divisors (1442794260).

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

1028654412 is a wasteful number, since it uses less digits than its factorization.

1028654412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10858 (or 10856 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1028654412 is about 32072.6427348917. The cubic root of 1028654412 is about 1009.4616652122.

The spelling of 1028654412 in words is "one billion, twenty-eight million, six hundred fifty-four thousand, four hundred twelve".