28476417 has 4 divisors (see below), whose sum is σ = 37968560. Its totient is φ = 18984276.

The previous prime is 28476403. The next prime is 28476439. The reversal of 28476417 is 71467482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28476417 - 2⁶ = 28476353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28477417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4746067 + ... + 4746072.

It is an arithmetic number, because the mean of its divisors is an integer number (9492140).

Almost surely, 2^28476417 is an apocalyptic number.

It is an amenable number.

28476417 is a deficient number, since it is larger than the sum of its proper divisors (9492143).

28476417 is an equidigital number, since it uses as much as digits as its factorization.

28476417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492142.

The product of its digits is 75264, while the sum is 39.

The square root of 28476417 is about 5336.3299185864. The cubic root of 28476417 is about 305.3714617702.

The spelling of 28476417 in words is "twenty-eight million, four hundred seventy-six thousand, four hundred seventeen".