28486929 has 8 divisors (see below), whose sum is σ = 39009280. Its totient is φ = 18477936.

The previous prime is 28486897. The next prime is 28486933. The reversal of 28486929 is 92968482.

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

It is not a de Polignac number, because 28486929 - 2⁵ = 28486897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28486979) 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, 128209 + ... + 128430.

It is an arithmetic number, because the mean of its divisors is an integer number (4876160).

Almost surely, 2^28486929 is an apocalyptic number.

It is an amenable number.

28486929 is a deficient number, since it is larger than the sum of its proper divisors (10522351).

28486929 is a wasteful number, since it uses less digits than its factorization.

28486929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256679.

The product of its digits is 497664, while the sum is 48.

The square root of 28486929 is about 5337.3147743036. The cubic root of 28486929 is about 305.4090328580.

The spelling of 28486929 in words is "twenty-eight million, four hundred eighty-six thousand, nine hundred twenty-nine".