28486129 has 8 divisors (see below), whose sum is σ = 32609088. Its totient is φ = 24376560.

The previous prime is 28486127. The next prime is 28486147. The reversal of 28486129 is 92168482.

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 28486129 - 2¹ = 28486127 is a prime.

It is a super-2 number, since 2×28486129² = 1622919090809282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28486091 and 28486100.

It is not an unprimeable number, because it can be changed into a prime (28486127) 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, 1734 + ... + 7744.

It is an arithmetic number, because the mean of its divisors is an integer number (4076136).

Almost surely, 2^28486129 is an apocalyptic number.

It is an amenable number.

28486129 is a deficient number, since it is larger than the sum of its proper divisors (4122959).

28486129 is an equidigital number, since it uses as much as digits as its factorization.

28486129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695.

The product of its digits is 55296, while the sum is 40.

The square root of 28486129 is about 5337.2398297247. The cubic root of 28486129 is about 305.4061738917.

The spelling of 28486129 in words is "twenty-eight million, four hundred eighty-six thousand, one hundred twenty-nine".