28329435 has 24 divisors (see below), whose sum is σ = 49392720. Its totient is φ = 15020352.

The previous prime is 28329421. The next prime is 28329461. The reversal of 28329435 is 53492382.

It is not a de Polignac number, because 28329435 - 2⁴ = 28329419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28329435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6297 + ... + 9813.

It is an arithmetic number, because the mean of its divisors is an integer number (2058030).

Almost surely, 2^28329435 is an apocalyptic number.

28329435 is a deficient number, since it is larger than the sum of its proper divisors (21063285).

28329435 is a wasteful number, since it uses less digits than its factorization.

28329435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707 (or 3704 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 28329435 is about 5322.5402769730. The cubic root of 28329435 is about 304.8451601406.

The spelling of 28329435 in words is "twenty-eight million, three hundred twenty-nine thousand, four hundred thirty-five".