28534959 has 24 divisors (see below), whose sum is σ = 43844112. Its totient is φ = 17821440.

The previous prime is 28534931. The next prime is 28534963. The reversal of 28534959 is 95943582.

28534959 is a `hidden beast` number, since 28 + 534 + 95 + 9 = 666.

It is not a de Polignac number, because 28534959 - 2¹³ = 28526767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28533959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64192 + ... + 64634.

It is an arithmetic number, because the mean of its divisors is an integer number (1826838).

Almost surely, 2^28534959 is an apocalyptic number.

28534959 is a deficient number, since it is larger than the sum of its proper divisors (15309153).

28534959 is a wasteful number, since it uses less digits than its factorization.

28534959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 884 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 28534959 is about 5341.8123329073. The cubic root of 28534959 is about 305.5805800674.

The spelling of 28534959 in words is "twenty-eight million, five hundred thirty-four thousand, nine hundred fifty-nine".