28460933 has 4 divisors (see below), whose sum is σ = 28649568. Its totient is φ = 28272300.

The previous prime is 28460923. The next prime is 28461047. The reversal of 28460933 is 33906482.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33906482 = 2 ⋅16953241.

It is a cyclic number.

It is not a de Polignac number, because 28460933 - 2⁶ = 28460869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28460893 and 28460902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28460903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94091 + ... + 94392.

It is an arithmetic number, because the mean of its divisors is an integer number (7162392).

Almost surely, 2^28460933 is an apocalyptic number.

It is an amenable number.

28460933 is a deficient number, since it is larger than the sum of its proper divisors (188635).

28460933 is a wasteful number, since it uses less digits than its factorization.

28460933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188634.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 28460933 is about 5334.8789114656. The cubic root of 28460933 is about 305.3161033428.

The spelling of 28460933 in words is "twenty-eight million, four hundred sixty thousand, nine hundred thirty-three".