28950493 has 16 divisors (see below), whose sum is σ = 34163136. Its totient is φ = 24186240.

The previous prime is 28950479. The next prime is 28950511. The reversal of 28950493 is 39405982.

It is a happy number.

It is not a de Polignac number, because 28950493 - 2⁵ = 28950461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28950293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63121 + ... + 63577.

It is an arithmetic number, because the mean of its divisors is an integer number (2135196).

Almost surely, 2^28950493 is an apocalyptic number.

It is an amenable number.

28950493 is a deficient number, since it is larger than the sum of its proper divisors (5212643).

28950493 is a wasteful number, since it uses less digits than its factorization.

28950493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 28950493 is about 5380.5662341430. The cubic root of 28950493 is about 307.0567540354.

The spelling of 28950493 in words is "twenty-eight million, nine hundred fifty thousand, four hundred ninety-three".