28934343 has 12 divisors (see below), whose sum is σ = 42583320. Its totient is φ = 18925296.

The previous prime is 28934341. The next prime is 28934371. The reversal of 28934343 is 34343982.

It is a happy number.

28934343 is a `hidden beast` number, since 289 + 34 + 343 = 666.

It is not a de Polignac number, because 28934343 - 2¹ = 28934341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28934298 and 28934307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28934341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29853 + ... + 30806.

It is an arithmetic number, because the mean of its divisors is an integer number (3548610).

Almost surely, 2^28934343 is an apocalyptic number.

28934343 is a deficient number, since it is larger than the sum of its proper divisors (13648977).

28934343 is a wasteful number, since it uses less digits than its factorization.

28934343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60718 (or 60715 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 28934343 is about 5379.0652533688. The cubic root of 28934343 is about 306.9996463265. Note that the first 3 decimals are identical.

The spelling of 28934343 in words is "twenty-eight million, nine hundred thirty-four thousand, three hundred forty-three".