28916541 has 32 divisors (see below), whose sum is σ = 46033920. Its totient is φ = 17874432.

The previous prime is 28916539. The next prime is 28916557. The reversal of 28916541 is 14561982.

28916541 is a `hidden beast` number, since 28 + 91 + 6 + 541 = 666.

It is not a de Polignac number, because 28916541 - 2¹ = 28916539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28916496 and 28916505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28916561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33076 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (1438560).

Almost surely, 2^28916541 is an apocalyptic number.

It is an amenable number.

28916541 is a deficient number, since it is larger than the sum of its proper divisors (17117379).

28916541 is a wasteful number, since it uses less digits than its factorization.

28916541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 956 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 28916541 is about 5377.4102502971. The cubic root of 28916541 is about 306.9366723845.

The spelling of 28916541 in words is "twenty-eight million, nine hundred sixteen thousand, five hundred forty-one".