28927630 has 8 divisors (see below), whose sum is σ = 52069752. Its totient is φ = 11571048.

The previous prime is 28927621. The next prime is 28927669. The reversal of 28927630 is 3672982.

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 28927630.

It is a congruent number.

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, 1446372 + ... + 1446391.

It is an arithmetic number, because the mean of its divisors is an integer number (6508719).

Almost surely, 2^28927630 is an apocalyptic number.

28927630 is a deficient number, since it is larger than the sum of its proper divisors (23142122).

28927630 is a wasteful number, since it uses less digits than its factorization.

28927630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892770.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 28927630 is about 5378.4412239979. The cubic root of 28927630 is about 306.9759023622.

The spelling of 28927630 in words is "twenty-eight million, nine hundred twenty-seven thousand, six hundred thirty".