28893342 has 16 divisors (see below), whose sum is σ = 57843072. Its totient is φ = 9621720.

The previous prime is 28893341. The next prime is 28893349. The reversal of 28893342 is 24339882.

It is a self number, because there is not a number n which added to its sum of digits gives 28893342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28893341) 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 7 ways as a sum of consecutive naturals, for example, 7473 + ... + 10659.

It is an arithmetic number, because the mean of its divisors is an integer number (3615192).

Almost surely, 2^28893342 is an apocalyptic number.

28893342 is an abundant number, since it is smaller than the sum of its proper divisors (28949730).

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

28893342 is a wasteful number, since it uses less digits than its factorization.

28893342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703.

The product of its digits is 82944, while the sum is 39.

The square root of 28893342 is about 5375.2527382440. The cubic root of 28893342 is about 306.8545679476.

The spelling of 28893342 in words is "twenty-eight million, eight hundred ninety-three thousand, three hundred forty-two".