28421675 has 12 divisors (see below), whose sum is σ = 36775920. Its totient is φ = 21748320.

The previous prime is 28421639. The next prime is 28421681. The reversal of 28421675 is 57612482.

It is not a de Polignac number, because 28421675 - 2⁶ = 28421611 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24140 + ... + 25289.

It is an arithmetic number, because the mean of its divisors is an integer number (3064660).

Almost surely, 2^28421675 is an apocalyptic number.

28421675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28421675 is a deficient number, since it is larger than the sum of its proper divisors (8354245).

28421675 is a wasteful number, since it uses less digits than its factorization.

28421675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49462 (or 49457 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 28421675 is about 5331.1982705579. The cubic root of 28421675 is about 305.1756580187.

The spelling of 28421675 in words is "twenty-eight million, four hundred twenty-one thousand, six hundred seventy-five".