28319476 has 24 divisors (see below), whose sum is σ = 50512896. Its totient is φ = 13890240.

The previous prime is 28319471. The next prime is 28319483. The reversal of 28319476 is 67491382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28319471) 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, 54096 + ... + 54616.

It is an arithmetic number, because the mean of its divisors is an integer number (2104704).

Almost surely, 2^28319476 is an apocalyptic number.

It is an amenable number.

28319476 is a deficient number, since it is larger than the sum of its proper divisors (22193420).

28319476 is a wasteful number, since it uses less digits than its factorization.

28319476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 757 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 28319476 is about 5321.6046452175. The cubic root of 28319476 is about 304.8094339454.

The spelling of 28319476 in words is "twenty-eight million, three hundred nineteen thousand, four hundred seventy-six".