28602866 has 8 divisors (see below), whose sum is σ = 45162480. Its totient is φ = 13548708.

The previous prime is 28602859. The next prime is 28602877. The reversal of 28602866 is 66820682.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 752707 = 28602866 / (2 + 8 + 6 + 0 + 2 + 8 + 6 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376316 + ... + 376391.

It is an arithmetic number, because the mean of its divisors is an integer number (5645310).

Almost surely, 2^28602866 is an apocalyptic number.

28602866 is a deficient number, since it is larger than the sum of its proper divisors (16559614).

28602866 is a wasteful number, since it uses less digits than its factorization.

28602866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752728.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 28602866 is about 5348.1647319431. The cubic root of 28602866 is about 305.8227931504.

The spelling of 28602866 in words is "twenty-eight million, six hundred two thousand, eight hundred sixty-six".