28472326 has 16 divisors (see below), whose sum is σ = 43472880. Its totient is φ = 13983840.

The previous prime is 28472303. The next prime is 28472329. The reversal of 28472326 is 62327482.

It is a junction number, because it is equal to n+sod(n) for n = 28472291 and 28472300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28472329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28060 + ... + 29056.

It is an arithmetic number, because the mean of its divisors is an integer number (2717055).

Almost surely, 2^28472326 is an apocalyptic number.

28472326 is a deficient number, since it is larger than the sum of its proper divisors (15000554).

28472326 is a wasteful number, since it uses less digits than its factorization.

28472326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239.

The product of its digits is 32256, while the sum is 34.

The square root of 28472326 is about 5335.9465889381. The cubic root of 28472326 is about 305.3568375699.

The spelling of 28472326 in words is "twenty-eight million, four hundred seventy-two thousand, three hundred twenty-six".