28492871 has 8 divisors (see below), whose sum is σ = 31219344. Its totient is φ = 25789120.

The previous prime is 28492843. The next prime is 28492873. The reversal of 28492871 is 17829482.

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 28492871 - 2²² = 24298567 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 (28492873) 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, 2996 + ... + 8121.

It is an arithmetic number, because the mean of its divisors is an integer number (3902418).

Almost surely, 2^28492871 is an apocalyptic number.

28492871 is a deficient number, since it is larger than the sum of its proper divisors (2726473).

28492871 is a wasteful number, since it uses less digits than its factorization.

28492871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11361.

The product of its digits is 64512, while the sum is 41.

The square root of 28492871 is about 5337.8713922312. The cubic root of 28492871 is about 305.4302661555.

The spelling of 28492871 in words is "twenty-eight million, four hundred ninety-two thousand, eight hundred seventy-one".