28802043 has 12 divisors (see below), whose sum is σ = 43792840. Its totient is φ = 18190656.

The previous prime is 28801979. The next prime is 28802071. The reversal of 28802043 is 34020882.

It is not a de Polignac number, because 28802043 - 2⁶ = 28801979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28801998 and 28802016.

It is not an unprimeable number, because it can be changed into a prime (28802093) 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, 84046 + ... + 84387.

Almost surely, 2^28802043 is an apocalyptic number.

28802043 is a deficient number, since it is larger than the sum of its proper divisors (14990797).

28802043 is a wasteful number, since it uses less digits than its factorization.

28802043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168458 (or 168455 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 28802043 is about 5366.7534879105. The cubic root of 28802043 is about 306.5310207961.

The spelling of 28802043 in words is "twenty-eight million, eight hundred two thousand, forty-three".