28869626 has 8 divisors (see below), whose sum is σ = 45583680. Its totient is φ = 13675068.

The previous prime is 28869619. The next prime is 28869647. The reversal of 28869626 is 62696882.

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

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, 379826 + ... + 379901.

It is an arithmetic number, because the mean of its divisors is an integer number (5697960).

Almost surely, 2^28869626 is an apocalyptic number.

28869626 is a deficient number, since it is larger than the sum of its proper divisors (16714054).

28869626 is a wasteful number, since it uses less digits than its factorization.

28869626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759748.

The product of its digits is 497664, while the sum is 47.

The square root of 28869626 is about 5373.0462495683. The cubic root of 28869626 is about 306.7705883355.

The spelling of 28869626 in words is "twenty-eight million, eight hundred sixty-nine thousand, six hundred twenty-six".