28414539 has 6 divisors (see below), whose sum is σ = 41043236. Its totient is φ = 18943020.

The previous prime is 28414513. The next prime is 28414541. The reversal of 28414539 is 93541482.

It is not a de Polignac number, because 28414539 - 2¹² = 28410443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28414559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1578577 + ... + 1578594.

Almost surely, 2^28414539 is an apocalyptic number.

28414539 is a deficient number, since it is larger than the sum of its proper divisors (12628697).

28414539 is a wasteful number, since it uses less digits than its factorization.

28414539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157177 (or 3157174 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 28414539 is about 5330.5289606192. The cubic root of 28414539 is about 305.1501151214.

The spelling of 28414539 in words is "twenty-eight million, four hundred fourteen thousand, five hundred thirty-nine".