28358630 has 16 divisors (see below), whose sum is σ = 51693120. Its totient is φ = 11199552.

The previous prime is 28358623. The next prime is 28358633. The reversal of 28358630 is 3685382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28358633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17159 + ... + 18738.

It is an arithmetic number, because the mean of its divisors is an integer number (3230820).

Almost surely, 2^28358630 is an apocalyptic number.

28358630 is a deficient number, since it is larger than the sum of its proper divisors (23334490).

28358630 is a wasteful number, since it uses less digits than its factorization.

28358630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35983.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 28358630 is about 5325.2821521493. The cubic root of 28358630 is about 304.9498439428.

The spelling of 28358630 in words is "twenty-eight million, three hundred fifty-eight thousand, six hundred thirty".