28437043 has 2 divisors, whose sum is σ = 28437044. Its totient is φ = 28437042.

The previous prime is 28437029. The next prime is 28437047. The reversal of 28437043 is 34073482.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28437043 - 2¹⁷ = 28305971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28436996 and 28437014.

It is not a weakly prime, because it can be changed into another prime (28437047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14218521 + 14218522.

It is an arithmetic number, because the mean of its divisors is an integer number (14218522).

Almost surely, 2^28437043 is an apocalyptic number.

28437043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28437043 is an equidigital number, since it uses as much as digits as its factorization.

28437043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 28437043 is about 5332.6394027723. The cubic root of 28437043 is about 305.2306523668.

The spelling of 28437043 in words is "twenty-eight million, four hundred thirty-seven thousand, forty-three".