28913463 has 8 divisors (see below), whose sum is σ = 42834800. Its totient is φ = 19275624.

The previous prime is 28913453. The next prime is 28913471. The reversal of 28913463 is 36431982.

It is not a de Polignac number, because 28913463 - 2⁶ = 28913399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28913453) 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, 535408 + ... + 535461.

It is an arithmetic number, because the mean of its divisors is an integer number (5354350).

Almost surely, 2^28913463 is an apocalyptic number.

28913463 is a deficient number, since it is larger than the sum of its proper divisors (13921337).

28913463 is a wasteful number, since it uses less digits than its factorization.

28913463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070878 (or 1070872 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 28913463 is about 5377.1240454354. The cubic root of 28913463 is about 306.9257814484.

The spelling of 28913463 in words is "twenty-eight million, nine hundred thirteen thousand, four hundred sixty-three".