28950630 has 32 divisors (see below), whose sum is σ = 69638400. Its totient is φ = 7702752.

The previous prime is 28950611. The next prime is 28950631. The reversal of 28950630 is 3605982.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28950591 and 28950600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17791 + ... + 19349.

It is an arithmetic number, because the mean of its divisors is an integer number (2176200).

Almost surely, 2^28950630 is an apocalyptic number.

28950630 is an abundant number, since it is smaller than the sum of its proper divisors (40687770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28950630 is a wasteful number, since it uses less digits than its factorization.

28950630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 28950630 is about 5380.5789651301. The cubic root of 28950630 is about 307.0572383877.

The spelling of 28950630 in words is "twenty-eight million, nine hundred fifty thousand, six hundred thirty".