28294461 has 16 divisors (see below), whose sum is σ = 45142720. Its totient is φ = 17411760.

The previous prime is 28294447. The next prime is 28294471. The reversal of 28294461 is 16449282.

It is not a de Polignac number, because 28294461 - 2⁵ = 28294429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28294471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39955 + ... + 40656.

It is an arithmetic number, because the mean of its divisors is an integer number (2821420).

Almost surely, 2^28294461 is an apocalyptic number.

It is an amenable number.

28294461 is a deficient number, since it is larger than the sum of its proper divisors (16848259).

28294461 is a wasteful number, since it uses less digits than its factorization.

28294461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80633 (or 80627 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 28294461 is about 5319.2538010514. The cubic root of 28294461 is about 304.7196599900.

The spelling of 28294461 in words is "twenty-eight million, two hundred ninety-four thousand, four hundred sixty-one".