28313476 has 6 divisors (see below), whose sum is σ = 49548590. Its totient is φ = 14156736.

The previous prime is 28313443. The next prime is 28313503. The reversal of 28313476 is 67431382.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17023876 + 11289600 = 4126^2 + 3360^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3539181 + ... + 3539188.

Almost surely, 2^28313476 is an apocalyptic number.

It is an amenable number.

28313476 is a deficient number, since it is larger than the sum of its proper divisors (21235114).

28313476 is a wasteful number, since it uses less digits than its factorization.

28313476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078373 (or 7078371 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 28313476 is about 5321.0408756182. The cubic root of 28313476 is about 304.7879059367.

The spelling of 28313476 in words is "twenty-eight million, three hundred thirteen thousand, four hundred seventy-six".