28950646 has 8 divisors (see below), whose sum is σ = 43455384. Its totient is φ = 14465520.

The previous prime is 28950641. The next prime is 28950697. The reversal of 28950646 is 64605982.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 28950599 and 28950608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (5431923).

Almost surely, 2^28950646 is an apocalyptic number.

28950646 is a deficient number, since it is larger than the sum of its proper divisors (14504738).

28950646 is a wasteful number, since it uses less digits than its factorization.

28950646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9806.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 28950646 is about 5380.5804519587. The cubic root of 28950646 is about 307.0572949543.

The spelling of 28950646 in words is "twenty-eight million, nine hundred fifty thousand, six hundred forty-six".