28232461 has 8 divisors (see below), whose sum is σ = 31466880. Its totient is φ = 25172928.

The previous prime is 28232419. The next prime is 28232471. The reversal of 28232461 is 16423282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28232461 - 2⁷ = 28232333 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 (28232401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43381 + ... + 44026.

It is an arithmetic number, because the mean of its divisors is an integer number (3933360).

Almost surely, 2^28232461 is an apocalyptic number.

It is an amenable number.

28232461 is a deficient number, since it is larger than the sum of its proper divisors (3234419).

28232461 is a wasteful number, since it uses less digits than its factorization.

28232461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87443.

The product of its digits is 4608, while the sum is 28.

The square root of 28232461 is about 5313.4227198671. The cubic root of 28232461 is about 304.4969257574.

The spelling of 28232461 in words is "twenty-eight million, two hundred thirty-two thousand, four hundred sixty-one".