28379835 has 64 divisors (see below), whose sum is σ = 57024000. Its totient is φ = 13265280.

The previous prime is 28379833. The next prime is 28379843. The reversal of 28379835 is 53897382.

It is not a de Polignac number, because 28379835 - 2¹ = 28379833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (28379833) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 42736 + ... + 43394.

It is an arithmetic number, because the mean of its divisors is an integer number (891000).

Almost surely, 2^28379835 is an apocalyptic number.

28379835 is an abundant number, since it is smaller than the sum of its proper divisors (28644165).

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

28379835 is a wasteful number, since it uses less digits than its factorization.

28379835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 707 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 28379835 is about 5327.2727544213. The cubic root of 28379835 is about 305.0258331608.

The spelling of 28379835 in words is "twenty-eight million, three hundred seventy-nine thousand, eight hundred thirty-five".