28453276 has 6 divisors (see below), whose sum is σ = 49793240. Its totient is φ = 14226636.

The previous prime is 28453273. The next prime is 28453297. The reversal of 28453276 is 67235482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28453273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556656 + ... + 3556663.

Almost surely, 2^28453276 is an apocalyptic number.

It is an amenable number.

28453276 is a deficient number, since it is larger than the sum of its proper divisors (21339964).

28453276 is a wasteful number, since it uses less digits than its factorization.

28453276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113323 (or 7113321 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 28453276 is about 5334.1612274096. The cubic root of 28453276 is about 305.2887206017.

The spelling of 28453276 in words is "twenty-eight million, four hundred fifty-three thousand, two hundred seventy-six".