28473401 has 8 divisors (see below), whose sum is σ = 31338144. Its totient is φ = 25654720.

The previous prime is 28473391. The next prime is 28473409. The reversal of 28473401 is 10437482.

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 28473401 - 2⁶ = 28473337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28473409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10211 + ... + 12696.

It is an arithmetic number, because the mean of its divisors is an integer number (3917268).

Almost surely, 2^28473401 is an apocalyptic number.

It is an amenable number.

28473401 is a deficient number, since it is larger than the sum of its proper divisors (2864743).

28473401 is a wasteful number, since it uses less digits than its factorization.

28473401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23031.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 28473401 is about 5336.0473198801. The cubic root of 28473401 is about 305.3606805350.

The spelling of 28473401 in words is "twenty-eight million, four hundred seventy-three thousand, four hundred one".