28769590 has 8 divisors (see below), whose sum is σ = 51785280. Its totient is φ = 11507832.

The previous prime is 28769579. The next prime is 28769597. The reversal of 28769590 is 9596782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28769590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28769597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438470 + ... + 1438489.

It is an arithmetic number, because the mean of its divisors is an integer number (6473160).

Almost surely, 2^28769590 is an apocalyptic number.

28769590 is a deficient number, since it is larger than the sum of its proper divisors (23015690).

28769590 is a wasteful number, since it uses less digits than its factorization.

28769590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876966.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 28769590 is about 5363.7291132196. The cubic root of 28769590 is about 306.4158485282.

The spelling of 28769590 in words is "twenty-eight million, seven hundred sixty-nine thousand, five hundred ninety".