28905363 has 8 divisors (see below), whose sum is σ = 42822800. Its totient is φ = 19270224.

The previous prime is 28905353. The next prime is 28905379. The reversal of 28905363 is 36350982.

It is not a de Polignac number, because 28905363 - 2¹² = 28901267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28905313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535258 + ... + 535311.

It is an arithmetic number, because the mean of its divisors is an integer number (5352850).

Almost surely, 2^28905363 is an apocalyptic number.

28905363 is a deficient number, since it is larger than the sum of its proper divisors (13917437).

28905363 is a wasteful number, since it uses less digits than its factorization.

28905363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070578 (or 1070572 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 28905363 is about 5376.3708019444. The cubic root of 28905363 is about 306.8971173963.

The spelling of 28905363 in words is "twenty-eight million, nine hundred five thousand, three hundred sixty-three".