28343334 has 16 divisors (see below), whose sum is σ = 57238272. Its totient is φ = 9355848.

The previous prime is 28343323. The next prime is 28343339. The reversal of 28343334 is 43334382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28343339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22314 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (3577392).

Almost surely, 2^28343334 is an apocalyptic number.

28343334 is an abundant number, since it is smaller than the sum of its proper divisors (28894938).

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

28343334 is a wasteful number, since it uses less digits than its factorization.

28343334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45971.

The product of its digits is 20736, while the sum is 30.

The square root of 28343334 is about 5323.8457904038. The cubic root of 28343334 is about 304.8950064123.

The spelling of 28343334 in words is "twenty-eight million, three hundred forty-three thousand, three hundred thirty-four".