28950616 has 8 divisors (see below), whose sum is σ = 54282420. Its totient is φ = 14475304.

The previous prime is 28950611. The next prime is 28950631. The reversal of 28950616 is 61605982.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1809406 + ... + 1809421.

Almost surely, 2^28950616 is an apocalyptic number.

It is an amenable number.

28950616 is a deficient number, since it is larger than the sum of its proper divisors (25331804).

28950616 is a wasteful number, since it uses less digits than its factorization.

28950616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618833 (or 3618829 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 28950616 is about 5380.5776641547. The cubic root of 28950616 is about 307.0571888919.

It can be divided in two parts, 289 and 50616, that added together give a palindrome (50905).

The spelling of 28950616 in words is "twenty-eight million, nine hundred fifty thousand, six hundred sixteen".