28479343 has 2 divisors, whose sum is σ = 28479344. Its totient is φ = 28479342.

The previous prime is 28479323. The next prime is 28479361. The reversal of 28479343 is 34397482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28479343 - 2¹³ = 28471151 is a prime.

It is a super-2 number, since 2×28479343² = 1622145955423298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28479296 and 28479305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28479323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14239671 + 14239672.

It is an arithmetic number, because the mean of its divisors is an integer number (14239672).

Almost surely, 2^28479343 is an apocalyptic number.

28479343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28479343 is an equidigital number, since it uses as much as digits as its factorization.

28479343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 28479343 is about 5336.6040700056. The cubic root of 28479343 is about 305.3819205567.

The spelling of 28479343 in words is "twenty-eight million, four hundred seventy-nine thousand, three hundred forty-three".