28467149 has 8 divisors (see below), whose sum is σ = 30120000. Its totient is φ = 26829792.

The previous prime is 28467143. The next prime is 28467151. The reversal of 28467149 is 94176482.

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 28467149 - 2⁴ = 28467133 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 (28467143) 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, 17 + ... + 7545.

It is an arithmetic number, because the mean of its divisors is an integer number (3765000).

Almost surely, 2^28467149 is an apocalyptic number.

It is an amenable number.

28467149 is a deficient number, since it is larger than the sum of its proper divisors (1652851).

28467149 is a wasteful number, since it uses less digits than its factorization.

28467149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747.

The product of its digits is 96768, while the sum is 41.

The square root of 28467149 is about 5335.4614608298. The cubic root of 28467149 is about 305.3383292100.

The spelling of 28467149 in words is "twenty-eight million, four hundred sixty-seven thousand, one hundred forty-nine".