28467261 has 16 divisors (see below), whose sum is σ = 44008320. Its totient is φ = 18152640.

The previous prime is 28467251. The next prime is 28467277. The reversal of 28467261 is 16276482.

It is not a de Polignac number, because 28467261 - 2⁷ = 28467133 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28467221) 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, 22300 + ... + 23541.

It is an arithmetic number, because the mean of its divisors is an integer number (2750520).

Almost surely, 2^28467261 is an apocalyptic number.

It is an amenable number.

28467261 is a deficient number, since it is larger than the sum of its proper divisors (15541059).

28467261 is a wasteful number, since it uses less digits than its factorization.

28467261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45873 (or 45867 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 28467261 is about 5335.4719566314. The cubic root of 28467261 is about 305.3387296464.

The spelling of 28467261 in words is "twenty-eight million, four hundred sixty-seven thousand, two hundred sixty-one".