28655343 has 16 divisors (see below), whose sum is σ = 42588000. Its totient is φ = 19042560.

The previous prime is 28655327. The next prime is 28655357. The reversal of 28655343 is 34355682.

It is a happy number.

It is not a de Polignac number, because 28655343 - 2⁴ = 28655327 is a prime.

It is a super-2 number, since 2×28655343² = 1642257364895298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28655298 and 28655307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28655303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7903 + ... + 10943.

It is an arithmetic number, because the mean of its divisors is an integer number (2661750).

Almost surely, 2^28655343 is an apocalyptic number.

28655343 is a deficient number, since it is larger than the sum of its proper divisors (13932657).

28655343 is a wasteful number, since it uses less digits than its factorization.

28655343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399 (or 3393 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 28655343 is about 5353.0685592471. The cubic root of 28655343 is about 306.0097074967.

The spelling of 28655343 in words is "twenty-eight million, six hundred fifty-five thousand, three hundred forty-three".