28335378 has 16 divisors (see below), whose sum is σ = 58625280. Its totient is φ = 9119376.

The previous prime is 28335361. The next prime is 28335383. The reversal of 28335378 is 87353382.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81250 + ... + 81597.

It is an arithmetic number, because the mean of its divisors is an integer number (3664080).

Almost surely, 2^28335378 is an apocalyptic number.

28335378 is an abundant number, since it is smaller than the sum of its proper divisors (30289902).

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

28335378 is a wasteful number, since it uses less digits than its factorization.

28335378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162881.

The product of its digits is 120960, while the sum is 39.

The square root of 28335378 is about 5323.0985337489. The cubic root of 28335378 is about 304.8664756394.

The spelling of 28335378 in words is "twenty-eight million, three hundred thirty-five thousand, three hundred seventy-eight".