28653453 has 16 divisors (see below), whose sum is σ = 42672960. Its totient is φ = 19001808.

The previous prime is 28653439. The next prime is 28653473. The reversal of 28653453 is 35435682.

It is a happy number.

It is not a de Polignac number, because 28653453 - 2⁶ = 28653389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2626 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (2667060).

Almost surely, 2^28653453 is an apocalyptic number.

It is an amenable number.

28653453 is a deficient number, since it is larger than the sum of its proper divisors (14019507).

28653453 is a wasteful number, since it uses less digits than its factorization.

28653453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593 (or 5587 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 28653453 is about 5352.8920220755. The cubic root of 28653453 is about 306.0029795942.

The spelling of 28653453 in words is "twenty-eight million, six hundred fifty-three thousand, four hundred fifty-three".