28746159 has 32 divisors (see below), whose sum is σ = 43760640. Its totient is φ = 16651008.

The previous prime is 28746143. The next prime is 28746161. The reversal of 28746159 is 95164782.

It is not a de Polignac number, because 28746159 - 2⁴ = 28746143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28746159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28746119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65262 + ... + 65700.

It is an arithmetic number, because the mean of its divisors is an integer number (1367520).

Almost surely, 2^28746159 is an apocalyptic number.

28746159 is a deficient number, since it is larger than the sum of its proper divisors (15014481).

28746159 is a wasteful number, since it uses less digits than its factorization.

28746159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its digits is 120960, while the sum is 42.

The square root of 28746159 is about 5361.5444603211. The cubic root of 28746159 is about 306.3326405327.

The spelling of 28746159 in words is "twenty-eight million, seven hundred forty-six thousand, one hundred fifty-nine".